How to Solve BMW Electrical Problems Easily

Updated on January 22, 2019

Stop Worrying, Anything Can Be Fixed!

Having car problems can be very stressful. Newer cars have increased comfort by incorporating more and more electrical parts (motors, wires...you name it). These parts, of course, will fail in time and it might seem like the end of the world. Don`t worry, it`s not!

First things to check:

Most electrical problems can be easily fixed by checking the following:

  • The fuse box
  • The wiring in the the trunk that is attached to the battery

The location of the fuse box on a BMW.
The location of the fuse box on a BMW.

Most BMWs have the fuse box located in the glove box compartment. Older BMWs have it in the trunk near the battery, so check both these locations.

Check for bad fuses by taking them out one by one.

A bad fuse is the most likely cause of electrical problems, so start with this step before taking your car apart trying to find the bad wire or contact point.

Test Your Car Battery

A discharged battery won't let you start your car in cold weather, but an extremely discharged battery won`t let you start your car even in warm weather.

Battery Voltage and State of Charge:

12.66v . . . . . . . . . . 100%
12.45v . . . . . . . . . . 75%
12.24v . . . . . . . . . . 50%
12.06v . . . . . . . . . . 25%
11.89v . . . . . . . . . . 0%

Many shops will test your car's battery for free. Please keep in mind that a discharged battery doesn't need replacing most of the time. The problem is that with short trips in the city traffic, your alternator won't be able to charge your battery enougg—it'll be just a matter of time until it starts causing problems.

BMW Steering Wheel Lock (ELV)

The "steering wheel lock" error pops up when the battery is low and usually in cold weather. The bad thing is that after this error pops up you will have a limited number of times to start your car, after which the Start button will be useless. It's not a problem with the steering wheel column, but due to the fact that the mechanism doesn't go all the way back (low battery), it will store that error which cannot be reset from the dashboard.

FIX: Get yourself a BMW K+DCAN cable and diagnostic software to reset your ELV lock.

The software suite and much more info on coding your BMW can be found online.

By running that simple job your car will be fixed!

You will have your own diagnostic and coding tools to work with and you won`t have to pay a dime at the stealership!

If you run into any electrical problems you can leave a comment and I will gladly help you and add the problem to the list so that other people can learn how to fix them. If you like to DIY, you can save a lot of money and most BMW problems can be fixed easily with the right tools and software.

This article is accurate and true to the best of the author’s knowledge. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters.

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    • profile image

      Alex Matthews 

      13 hours ago

      Every time I open my door manually the alarm goes off - how do I stop it or disconnect it?

    • profile image

      Peter 

      2 days ago

      E91 320d and

      When its foggy or heavy rainy ( usually when winter is coming:] i can notice that after 3-5min of driving, power steering goes yellow on dashboard. Turning the engine off and on again helps for a bit but it issues comes back in 3-4 hours or it helps for next couple of days.

      How to diagnose what’s happening?

    • profile image

      Greg 

      3 days ago

      My car was near a fire I think before I purchased it now there are hundreds of faults that don’t exist

    • profile image

      Sunnyboy 

      5 days ago

      I have a problem with my BMW 1 Series 116i 2011 model, I removed the battery there after the car stop indicating, electric window stop working, the headlight switch is no longer working, interior lights not working and when you put the key on ignition to start it automatically switch on the headlight.

      Please help.

    • profile image

      Fayze Haira 

      7 days ago

      Hi I have a 2002 BMW 318i, afew warning lights such as engine, battery, airbag lights are on, revs have stopped & water temp is on boil. Can it be the can circuit? Or alternator causing my battery to go flat dash lights to go on? Has anyone else had these problems?

    • profile image

      Jai 

      8 days ago

      Hi ,

      I have a 2007 bmw 328 xi and a few days ago started to shudder and stalled - could restart the car and bring it home . However after that day it continued doing the same even after replacing spark plugs and coils . Then since yesterday the steering wheel lock is up and the car won’t start - any help is hugely appreciated . Thx

    • profile image

      Jeffh44 

      11 days ago

      I have a 2002 BMW X5 3.0i E53. The temperature gauge shoots all the way to the right when I turn the key on. Everything works it doesn’t overheat, blows hot air, AC works, fan works, everything works except for the gauge

    • profile image

      Robert Davis 

      12 days ago

      I have a 2013 X5 SAV the front passenger door lock will not open. The door lock button will not release (pop up). The door unlock button the dash will not unlock it, using the tech pkg "unlock all doors" will not unlock it. The key is only for the drivers side but it does not reset the lock. The door will not open manually from the inside or if you pull up the knob it will not stay up. The BMW dealership said they would have to damage the door panel so I left

    • profile image

      LFS 

      2 weeks ago

      Our 2015 BMW X5 hasn’t had any trouble at all yet. Today the electric function to adjust the steering column stopped working. Do you think this could be caused by a fuse? Any tips?

    • profile image

      ratatat1975 

      4 weeks ago

      I have a 2103 BMW X3 that won't crank or start, in fact nothing electrical is working at all, door locks, rear hatch, nothing. The battery has 12.66 volts and the condition is present regardless of which key fob I'm holding. The red LED is flashing under the rear-view mirror every 2 seconds. Ideas?

    • profile image

      Nick S 

      4 weeks ago

      My mechanic said i got a termianl 87 fault and also a high pressure fuel pump fault. I dont believe my fuel pump has went but that it is an electrical issue having to do with a relay or fuse or failed module. Please get back to me. Thank you

    • profile image

      Jane Murray 

      4 weeks ago

      Blower heafer wont work on my bmw 320i 2006. Changed fuses, regulator and blower moter still won't work but have power?

    • profile image

      Charlton 

      4 weeks ago

      Heat gauge goes right up even if the car is not started, traction control light is on and car dont start. I have unplug all connections to dme but no luck. Any advise what can be the problem

    • profile image

      Genesis 

      4 weeks ago

      After coming back from a trip my BMW525i 2004 model refused to start. It is only showing the key light without starting. The whole car system is short down at the moment.

    • profile image

      Snooke 

      4 weeks ago

      On a BMW 330i alternator charges when you rev the car but on ideling it down charge

    • profile image

      john lee 

      4 weeks ago

      my bmw x5 e53 30 diesel drivers side front indicator light stopped working, thought it was the bulb, fitted new bulb but still not working trsce seems dead. Rear indicator light and side repeator light and dash warning light work fine.

    • profile image

      Shaheer campbell 

      4 weeks ago

      Hi I have a BMW e46 328i I was driving back on the highway when suddenly the vehicle went into limp mode rushed back home and left the car to stand for a day next day done a diagnostic on the car and its showing me a code P0600 and showing me That the car keys has been changed ( I did reprogram a new key a month before) the vehicle is now in limp mode with a red cog of death on the dashboard and car changes gears from drive to reverse and neutral but stuck in 3rd gear ( the limp mode) transmission was never a problem took it to a mechanic he wants to change the whole gearbox but it was never a problem it's a automatic by the way

      Any way to fix this problem Thanks

    • profile image

      Vikki Dubbeld 

      4 weeks ago

      BMW 2002 5 series, stereo remains on after turning off car and removing keys. Stereo randomly turns off while driving. Brake lights randomly on constantly, then brake warning lights on dash come on. ABS warning light randomly comes on. Speedo randomly stops working. Motor randomly

      loses power for a second or two.

    • profile image

      Jose 

      4 weeks ago

      2018 BMW Edriver battery not charging ..Battery on negative

    • profile image

      Salvador amante 

      4 weeks ago

      Bought a new alternator replaced it and battery still getting drained. Alternator marking only 12 v

    • profile image

      Nkosinathi mpanza 

      5 weeks ago

      Back and side lite for indicator are always on what's a corse

    • profile image

      Rocky joudi 

      6 weeks ago

      dashboard light. speedometer. warni g light. and AC all stopped working at same time need help thanks

    • profile image

      Terrell 

      6 weeks ago

      2004 bmw x5 , thinking of buying . Owner telks me the radio goes off and she replaces the fuse. Electrical problem? Any advice

    • profile image

      Sully 

      6 weeks ago

      When the car is in the sun and its hot the parking lights come on and drain the battery. What is causing the lights to come on?

    • profile image

      Banessa 

      7 weeks ago

      2005 530i engine wont turn over. door lights come on but horn don't work power windows wont work windshield wipers don't work. Battery is fine. Main issue..... CANT START THE CAR!

    • profile image

      TIISETSO BATANDWA 

      7 weeks ago

      I havs a broblem with my 2011 320i,the boot won't open and it doesn't even make that clicking sound,on the desh it shows that it's open

    • profile image

      Ajay 

      7 weeks ago

      Power to the inside of the car (radio, windows, etc.) used to stay on for several minutes after the key was turned off but not any more. Please let me know if anyone has ideas on how to fix this problem. email at:ajwats836@earthlink.net or cell at 775-501-1134. Thanks

    • profile image

      Leslie Palacios 

      7 weeks ago

      07 bmw 328i will not read scanner..

    • profile image

      PezzyPerez 

      8 weeks ago

      I have a 528i BMW 2011. Not sure what is wrong. Car power went out while driving. The message on dash was check battery. I bought a new battery. Tested car, went for a drive and it did it again, car power went out this time when I stripped it. Can’t get it to start again. Please Help!

    • profile image

      Gordon 

      8 weeks ago

      Hi,

      I have an e36ti, just had the engine overhauled, only for the reverse sensor to stop working, and also, the the abs light and the the temp guage with the fuel guage not working, pls whats the way forward.

      Thanks.

    • profile image

      Tracy Giles 

      8 weeks ago

      My 330ci 2006 convertible's left headlight went out. I have had it at the shop for over a week. They have replaced everything igniter boxes, checked fuses. They can get the light to light one day, then they come in the next day and it won't go on. They seem to be stumped. Do you have any ideas?

    • profile image

      Tracy Giles 

      8 weeks ago

      My 2006 330ci Convertible has a left headlight out. The shop has replaced the igniter box etc. The light is on then for a day, then they come in the next morning and it won't go on. What do you think is the problem. I haven't had my car for more than a week, help!!!

    • profile image

      Kevin Brady 

      2 months ago

      I have a question my 2008 328i bmw highbeam not working what could be the cause

    • profile image

      Phillip strout 

      2 months ago

      My 1998 328i E36 engine for some reason I'm on my fifth alternator in two months my car keeps running off the battery I've checked every ground I checked fuses everything I do not get it I drive it at night with the lights on it will go to where the gear symbol comes on on a gas and then the lights go way way down and then all the sudden they will come bright and it will drive fine in the daytime without the lights on it completely drains and dies I got another battery put another alter are in a month later the battery is completely dead put another alternator in now it just cranks and won't start after sputtering to a complete stop on the freeway and now stuck on the side of the freeway I tried to jump start it it just cranks absolutely will not start it started once when a half a mile and died we try to jump it it just cranks and cranks and cranks what the hell is going on with my Beamer

    • profile image

      Peter 

      2 months ago

      Hello my bmw e90 has a problem its shows that lightbulbs are faulty but they are good so i dont know what do i have to do and also i turn on the lights and at the back the light came on for brak on one side. Can it be Electrical problem many thanx

    • profile image

      Ajay 

      2 months ago

      My 1999 BMW Z3 suddenly will not put the windows up or down when I turn off the engine and before I open the doors. Help.

    • profile image

      Musa 

      2 months ago

      Hi hope you are well...

      Recently bought an e46 320d that is a non runner have changed all pumps most of the relays and injectors. Now I found out the car had an automatic transmission that was changed to manual... It shows a S sign on the cluster display as if it's IN sport mode. Can that be the issue???

      Please help

    • profile image

      Handren 

      2 months ago

      My bmw f10 5 series 2010 airconditioner is not working and I changed everything but still not working please help. Thanks

    • profile image

      Eric Lee 

      2 months ago

      2015 BMW X1 OBD2 port isn't work and fuse is good.

    • profile image

      Joan C 

      2 months ago

      I had an aux installed and now twice the radio stops working and then after about a month or so the battery is totally dead. Now that the battery is charged, like before, radio is back and all is working. New development - sometimes when I turn off the radio my clock turns off. The folks that installed aux say it cannot be something they did.... is this an issue with 2003 BMW 530i's?

    • profile image

      Hollywood 

      2 months ago

      I just got a 2002 bmw x5 with the 4.4i im having some electrical problems with the suv. The radio dose not work like no lights come on the radio at all. Then i noticed the windshield wipers wouldnt come on... so i played with the switch for a min then they came on partially and after tbat the dome lights started turning on and off on their own... has anyone else had this problem? And how do i solve these problems?

    • profile image

      Scott g 

      2 months ago

      2011 328xi put key into dash and it wont turn over battery is good hear the fuel pump and injectors but nothing else..thk you

    • profile image

      Tj ben 

      2 months ago

      I have an 08 bmw 335xi coupe. I have this issue where it will not start but if i wait a few hours and try again it will or if i connect it to my jump box it will start right up. I have a brand new registered and coded battery. Some side issues im sure are related to this are i will get sparks on my ground terminal when connecting jumper cable to it like a positive terminal. And my comfort access does not work in the door handles at all and the car will only let me start it without kwy in ignition if i start it up first with the key in ignition then shut it off take it out and start it back up with it out. I have tried so much. Im leaning towards a voltage regulator or cas module but i am not sure. Let me know if you have any idea thanks!

    • profile image

      Jed Merry 

      2 months ago

      Hi i habe a problem with my parking sensor system, i have a 2010 BMW 118d I believe its a E87.

      I had a bump to my rear bumper where one of the sensors came a little lose, this work correctly some time or all rang out if it wasn’t positioned correctly, after a month my whole system just stopped working.

      Ie. There is no control from the parking assist button (no light) and no response from the front and rear sensors when in reverse?

      I have checked and changed the fuses but still no luck.. could the PDU unit sensed that i had a issue and isolated the system??

      I’v been pulling my hair out about this for a while but don’t wanna have to go to pay to dolla to fix it if i can do this my self

    • profile image

      crai zee 

      2 months ago

      2004bmw 118d. various indicator lights light up randomly. sometimes the odometer will bounce around wildly between 0 and 2000. while perf0rmance does not seem to be effected, it can be qite unnerving to be driving 130 k and see your ABS, DTC,steeering lock,tire pressure light and or oil lamp com on. Stoping the car and restarting it temporarily fixes the problem. one other thing if i have the radio on when i have the problem it will sound like i am being peted with hail

    • profile image

      Kenzo 

      2 months ago

      Hello

      I am from Mongolia. I just bought 2016 BMW 750 from Germany. But i got the car in my country, the whole audio system and display not working.

      Some people say that need to remove navigation display and plug off gps or navigation from HARMAN.

      Could you please help me how to solve this issue?

      Thank you

    • profile image

      Perezbeamer@icloud.com 

      2 months ago

      Bmw M550i 2008 e60

    • profile image

      Perezbeamer@icloud.com 

      2 months ago

      Elv Locked steering wheel after minor fender dent airbags deployed. Car started after but the shut off completely. New battery positive cable disconnected sensor for air bags re attached black and red won’t crank push start. Al it does is steering wheel locked Control messages say steering wheel locked. Won’t be able to start engine. Nearest bmw dealer. Key works locks Nd unlocks Ignition won’t go on. Will turn on brakes Nd airbag once u put the key in and hit the start button once. He’s alive but not reading ecu either if ignition is not on.

    • profile image

      Ramon 

      2 months ago

      I have a 2007 bmw 328xi my original problem was while driving the car runs great no engine light at all. it would have a violent jerk the abs dsc and 4wheel drive malfunction. Took it to BMW they tested alternator and battery was fine. Told me to change the eccentric shaft actuator. So I bring it to my mechanic and he says the battery is smoking and there is a short when he disconnects the alternator it does not smoke. But the alternator is fine please help

    • profile image

      Jaaye 

      2 months ago

      Replaced alternator & battery brand new. Drove for a while park my car. Git up this morning and went out to the store, came out to start my and would not start. Is it possible the repair guy blew my computer by not disconnecting battery first. Code error p0604 for a 06 bmw x5 3.0, what dose rhos mean for my car wants to start but wont start

    • profile image

      Hussain 

      2 months ago

      Hi, I have an issue with my BMW 740i 2011 Camera everything seems to work fine but getting an error message.

      Please could you help me.

      Tnx

    • profile image

      Pwinski 

      2 months ago

      Hello, recently acquired a 2006 325i base. I found a blown 20A fuse in the glovebox and need to figure out where it goes. Everything electrical works as it should but I do have three warning lights I can't clear. Seatbelt, SRS and Brake. I replaced the pads and both brake wear sensors. I ran a code check and the codes showed seatbelt tensioner and seat cushion sensor passenger side. I'm hoping that replacing this fuse will cure some of the warning lights. How can I figure out where this fuse goes ? I can take a picture of the fusebox if that will help. Thanks in advance, Paul

    • profile image

      Robert 

      3 months ago

      03 745Li w/ no crank & no start. Battery at fully charge and within minutes discharges below operating voltage. Changed IVM, Air Bag module on pass/side pillar, control module below fuses in trunk. Replaced broken shifter for transmission on steering column. Reset codes with iCarsoft BM2 scanner.

      Still no start. In need of help

    • profile image

      Jacob Tshabalala 

      3 months ago

      My bmw 118i 2005 model does not respond to the software when put in the machine.what will be the cause of this?The engine stoped while i was driving after it jacked so badly when i stoped at the road sign engine went dead.now i am told is not responding to the machine to show fault. Please help

    • profile image

      Abolfazl 

      3 months ago

      Hello

      I have a BMW525d e61 2005. The electricity has gone totally, then I have replaced a new battery, because there was some problems with the battery before. Now it does not start, the display does not turn on , but the radio works. And the lamp beside the hand gear does not turn on.

      I have checked all fueses and there was no problem with those. I understood that when I connect the four base relay in feud box (relay number 6136-6901469) with my hand, the car starts but ABS error appears and the roll does not work easily and the speedometer does not work and display does not turn on , but radio and CD works.

      What do you think the problem is???

      Is that possible the problem caused by MPM 6135-6939655-01 HELBAKO????

    • profile image

      Bobby 

      3 months ago

      I have a 2008 328i bmw my car won’t start but the battery is showing that I have good charge but when I try to start the car it shoots 5different codes and wii not start and I have checked the relays but I’m wondering if it could be a intergrated fuse supply box

    • profile image

      Terence 

      3 months ago

      I had put jump cables wrong and the power shut down

    • profile image

      Pierre 

      3 months ago

      New 668 battery installed, but the battery light still comes on. 2010 120i E87. Any ideas?

    • profile image

      Ray 

      3 months ago

      I do have 2013 bmw x1 28i, parked on the driveway not start up,battery is good,checked the fuses looks fine,have fuel pump,braking chaise malfunction,Fts fault on the screen.fuel pump is pumping fuel,loosen the fuel line seen fuel pumping ,battery fully charged again,codes i am reading p2457 and p229f with scanner.

      I am stuck can you help me .appreciated

    • profile image

      Okey from Nigeria 

      3 months ago

      I have BMW 323i 2000 model.i just beginning to notice that if move for long distance once I stop it won't start until I use another battery to start it or I leave it to Cold before it will start.what can I do?

    • profile image

      Michael 

      3 months ago

      Hi there,

      I have BMW E91 2007 318d. I have a problem with battery drain by a/c blower heater, it some how starts working even the engine is off and car is locked. After reading many forums I have changed the final stage unit for the heater. Everything seemed fine but after unlocking the car the heater started working without any suggestion.

      I would thank for any advice.

    • profile image

      Edwina 

      3 months ago

      My 120i convertible 2013, the reverse sensor display does not show. All other displays working fine, would really appreciate your help

    • profile image

      Maliks josmi 

      3 months ago

      We change brain bost the car refuse to start BMW X5

    • profile image

      Melissarenee217 

      3 months ago

      So i just bought an 2011 bmw 328i. It worked fine for a few days. Then began making a noise under hood. Then all the sudden the power steering began to get stiff the air conditioning blower went out the windows won't roll down the door lock inside won't work. Found out the serventine belt came off so we replaced belt. We had a low battery we also had replaced as well as rotors. The same day after leaving shop. . The noise started again under hood. Sounds like it’s cominf from power steering area. Then interior lights won’t work. The windows won’t roll down. The sunroof will not close. The blinkers have not worked since we got it back. The ac just went out now as well. Fog lights won’t work i. And it's stuck like that. And now it won't come back on. Replaced every fuse in the fuse box all are good. We were told something about programming battery to car computer but tried doing that and got lock out of trunk with battery unhooked. We got back in and reconnected and still nothing Any ideas

    • profile image

      Anthony A 

      3 months ago

      I was driving my 2012 BMW F25 X3 and with out any warning my battery was discharging quickly. Idiot lights where coming up, stability control, and, steering, adaptive headlights, you name it it was on. Before I knew it my electric power steering was out my electric cooling fans no longer worked. And then limp mode. I let it sit for a couple of hours, and managed to get it home. My battery was replaced last year, however it was reading 11 volts. I’m charging it now. I’m not sure if it’s the negative battery cable with the sensor causing the problems, or if it is just a week or bad alternator. It was really hot out by the way when all of this happened. About 97 degrees out.

    • profile image

      Chris 

      4 months ago

      2006 BMW 330i no sound, no sos light. Fuses checked out good. replaced amp and radio. Red blinking fiber optic light is good except behind the head unit. Any ideas?

    • profile image

      Timothy Anderson 

      4 months ago

      My relay keeps get out and then pops i know its the ground wire that goes to the relay but from there i dont know what else to look for after that

    • profile image

      stephencoleman16@gmail.com 

      4 months ago

      My 320 2007 face-lift model. Is only running on half engine power according to my display panel. Could it be the battery not charging properly. It only happened last night. It once happened to my X5 auto and everything shut down that was the battery on that occasion. Thank you.

    • profile image

      JEFFREY 

      4 months ago

      Hi there my 2003 e46 ti battery swelled and after replacing it car just drove 5km and went dead , it cranks but wont start . Ive replaced petrol pump , petrol pump relay , both camshaft sensors and the necessary fuses but still only cranks but wont start

    • profile image

      Andyman 

      4 months ago

      Exrernal lighting o/s/f side light not working.no 12v at bulb holder.2015 f21 116i sport.thanks

    • profile image

      Phiraman madini 

      4 months ago

      My bmw hard hurd starting its 320d e46

    • profile image

      Virginia 

      4 months ago

      The lights next to the sunroof controls won’t turn off although the sunroof seems to be working fine. This is a 2012 BMW X5 35d.

      Help please

    • profile image

      Steph 

      4 months ago

      My bmw 525i e60 2005 water pump loom got burned. Changed the water pump replaced the wires and now the car won't start just crank

    • profile image

      ARSO 

      4 months ago

      I have 2011 bmw 528 the window went down and won’t go up anymore I thought is it the moter or window regulator I open the door panel end up replacing both of them but the problem not fix the motor rolls down but when I click the master switch to roll it up it moves a little and a clicking sounds comes from under the steering wheels I open the panel to figure out I couldn’t please let me know what to do I have repsced the master switch as well

    • profile image

      Jackson 

      4 months ago

      My car music is given me problems sometimes it play and stop Bmw 530i 2004

    • profile image

      jade 

      4 months ago

      hi their I have a 525i 2005 MODEL WITH the diamond key im struggling with my dash board lights it doesnt switch on and my bmw machanic checked everything even send in my ecu box in to check but it works fine then he checked again he see on his laptop key blocked and no key signal just want to know can my key be the problem for the no lights on my dash as he tooked the key to a key shop and they said the key is faulty there is stuff missing

    • profile image

      engineer shariff 

      4 months ago

      I had a problem with a BMW E90 2005 I took the car to a car wash after them have done with the washing of the car it refuse to start even i insert the key nothing comes on the dashboard but only key light indicated and show cancel please what can be the possible fault?

    • profile image

      Michelle2008328i 

      4 months ago

      My rad fan won't turn on in my 2008 328i BMW - the heater fan works checked fuse #88 it is fine if I take it out my heater fan doesn't work...any ideas??

    • profile image

      jerry 

      4 months ago

      2006 bmw 330xi radio don't work but light stay on drain bettery over night

    • profile image

      Annie 

      4 months ago

      My E87 116i is having an interesting strange gremlin. When I turn my light control switch to the 0 position the headlights come on. The headlight indicator light does not illuminate on the dash. I have replaced the switch unit itself but the problem remains. I’m thinking maybe the footwell module is causing the problem. Have you encountered this before?

      Thanks

    • profile image

      Graeme 

      4 months ago

      I have a 08 320d touring and i cant open my passenger door the lock sounds to be working all other doors lock and unlock apart from passenger door have you any ideas ive checked fuses 71 73 and there ok. I cant get door open to have a look inside

    • profile image

      Dewayne Gradic 

      4 months ago

      09 BMW X5 3.0 I have a parasitic battery drain. I have narrowed it down to fuse #39 which is labeled "start stop" on the diagram. What is on this circuit?

    • profile image

      Dewayne 

      4 months ago

      09 BMW X5 3.0 I have a parasitic battery drain. I have narrowed it down to fuse #39 which is labeled "start stop" on the diagram. What is on this circuit?

    • profile image

      Cathy 

      4 months ago

      I just submitted the incident about the spontaneously open windows. My car is a 2007 BMW 328i with 80,000 miles.

    • profile image

      Cathy 

      4 months ago

      I left my car parked on a city street for 1.5 hours. When I returned all the windows were down, the sunroof opened and the care unlocked. My purse left under the seat was undisturbed. The windows went up without problem. I drove it yesterday and today without problem.

    • profile image

      Alif 

      4 months ago

      Hi.. My f30 328i 2013 trunk cannot be open, foreman told my REM unit problem,my door lock, power Windows, Lighting running in good condition.. Any idea?

      Tq master

    • profile image

      Jonhoward12181 

      4 months ago

      So i just bought an 03 bmw 525i. It worked fine for 2 weeks. Then all at the same time the air conditioning blower went out the windows won't roll down the door lock inside won't work. The trunk won't pop open. And it's stuck like that. It did tat once and then it all started working again for a 30 min trip. And then quit again. All that same stuff again quit at the same time. And now it won't come back on. Any ideas?

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      Mikeandycain 

      4 months ago

      Hi, ive a E85 z4 BMW, due to lack of use i removed my battery to charge, when i reconnected it wouldnt start also the rear lights came on and some dash lights. I tried to start it and it just clicks as if the starter has gone, i connected a boost pack to the unconected terminals and it starts and all seems well, until i removed the ignition key that is, the car still runs, ive had to pull the fuel pump fuse to stall it. Can you help ? Really would appreciate the solution as i csnt see anything on the web. Thanks

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      Zamokwakhe 

      4 months ago

      Hi, I have a 2010 BMW 523i E60. Last night everything was OK when I parked the car. Next morning when I started the car, it switched on but the navigation screen was blank. I have checked the fuse but everything is OK, so Im not sure what's wrong, please help.

    • profile image

      Danielle 

      4 months ago

      I have a 2010 320d tourer and all of a sudden my heaters have stopped working and there's no lights or power going to the parking sensor and automatic start button either??

    • profile image

      David 

      5 months ago

      My gas cap is clicking when I leave my vehicle. It’s 2013 640 gran coupe. Also it’s saying my battery is discharging while stopped. And my A/c is now blowing room temp air., I have 40k miles

    • profile image

      Paula smith 

      5 months ago

      I have a constant airbag and seatbelt red warning lighting showing on the dash and now when I’m driving my dashboard lights up with 6 to 8 different warning lights from amber and red mainly around service issues but I had a full service and brake fluid service last month and everything is up to date? The garage plugged in clear all faults can’t find anything but all back again and more frequently any ideas? Thanks

    • profile image

      Kyle 

      5 months ago

      My front passenger side corner light stays on when I hook the battery up. Iust got the car so iam not familiar with bmw. Any suggestions.

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      Michael OHandley 

      5 months ago

      Hi,

      As my wife's 2007 BMW X3 had continued to age, it's been one $2000 repair after another. About six months ago, before I retired, the car went into the dealer for several recalls involving airbags and (I think) a PCV valve. When it came back, there were several notes from the dealer attached to the invoice about repairs that it needed.

      1. New valve cover gaskets. 2. New oil filter base housing gasket. 3. New oil cooler-to-oil filter base housing gasket. 4. New purge valve. The dealer provided another expensive estimate and said that the repairs didn't need to be done immediately and that the car could be driven, as long as she kept the oil level up and didn't wait too long to come back and get the issues fixed.

      The day after she got the car back, she complained that the service engine light had come on. So, I took the down to a local BMW specialist who put his diagnostic tool on it. The tool indicated only the purge valve problem. The specialist's mechanic said that the service light was just a reminder - don't worry about it - once all of the issues were corrected the light would reset on its own. They then happily prepared an estimate that made my hair stand on end and caused my wife to almost have a coronary when she saw it.

      The next day she complained about a light on the dash, which, according to the owner's manual indicated there was a problem with the headlight circuit. I checked out all of the lights, but there was only one taillamp bulb out. I replaced the bulb that day but the light stayed on. I called the BMW specialist down the street to ask about that. He said that the trouble light would probably clear on its own in a day or two. It didn't, but since there didn't seem to be any other issues, I decided to ignore it for the time being, since we had more important issues, like my health and the fact we were going to be moving soon, to deal with. Several months later, as we were preparing to move to the new home, the less-than-two-year-old battery went dead overnight. I jump-started the car and took it over to the battery shop. They charged the battery and tested it - it was fine - even under starting load - and the belt was fine and the alternator was putting out 13+ volts at idle. I looked for any loose/dirty connections and couldn't find any. I checked the fuses and all seemed to be fine - except for the fact that one 50-amp fuse, which is shown on the fuse card in between a 40-amp fuse at position #35 (I think - the car isn't here right now to confirm) and a 60-amp fuse at position #37 (I think), was absent. (????). Anyway, since the car was fine as long as she drove it every day and didn't allow it to sit for two or more days to allow the battery to drain off, we put off trying to track down the leak until after the move was completed.

      Earlier this month after the move was completed, my bad knees forced me to retire. Since I'd spent nearly seven years employed as a professional Toyota mechanic back in the late 60's early 70's, and I had nothing else to do with my time, I decided that I'd do the work instead of shelling out a couple months of social security payments to have the repairs done by either BMW or the specialist down the street. The first thing I did was to replace the valve cover gaskets, and, since the car has just under 94K on it, and I thought I'd noticed the sound of a worn set of alternator bearings or idler pulley bearings, I replaced the plugs and the ignitors, the belt tensioner, idler pulley and serpentine belt. In the process, I noticed that the idler pulley felt a little rough and guessed that had been the faint dry bearing sound I'd been hearing. Nonetheless, to be sure I pulled off the alternator to check it out. I found that the bearings were fine but one brush was about 75% worn down while the other was only about 40% worn, and the commutator was smooth but literally worn to the point where it was grooved - probably more than what could be taken off on a lathe to get it perfectly smooth again, so I replaced the alternator with a remanufactured unit. Then, I replaced the oil filter housing gasket and the oil-cooler-to-oil-filter housing gaskets. Then, for good measure, I changed the oil, transmission fluid, power steering fluid and the antifreeze, and replaced every other filter - including the cabin filter.

      When I went to restart, the battery was dead, but that didn't surprise me, since it hadn't been charged in about a week (I'm an old man now - stuff that used to take me 6-7 hours to complete 45 years ago now take me 6-7 days to complete.). I had the battery charged up, reinstalled it and then started the car. It started instantly, warmed to normal operating temperature and throttled itself down to warmed-up idle speed. I checked for leaks and there were none. There were a number of warning lights on, but I figured that was because I'd disconnected the battery to do the work, and, that once I got the car out on the road they'd reset themselves. Then I took the car for a drive and one-by-one the trouble lights turned off until there was only one light left - that pesky light related to the headlight circuit.

      Since we'd been driving the car with that light on before, I decided that I'd wait until the next week before trying to figure that one out. I never got the chance. My wife didn't go anywhere for a few days and then when she went to start the car the battery had been drained again. I decided to once-and-for-all find and fix that damned voltage bleed. Well, this isn't going as smoothly as the other work went. Back in my day, if one had a voltage bleed, one would disconnect the switches for dome lights, trunk lights and glove box lights, and test for a tiny draw on the battery. If none were present, we'd one-at-a-time reconnect those devices and re-test until we'd discover that the last item plugged in was exerting a tiny load that would over-time drain the battery. Replace that item and one was good to go. Well, that didn't work in this case. There are so many electronics in the car that are always powered - even when the car is not in use - that, after exhausting the usual suspects, blown fuse, loose connections, poor ground, glove box or boot lights staying on when the car is off, and finding nothing, I think this might be one of those always-on electronic devices and I'm hoping that it's a common issue and that right now as you read this the little idea light (No pun intended) is going off in a thought balloon over your head.

      Got any ideas. Oh yeah, and what's the deal with that 50-amp fuse that's shown on the fuse card but isn't present?

    • profile image

      Joe 

      5 months ago

      I am having problems with my heater panel, it will only work if lights are on....but nothing is lighting up!

    • profile image

      Sherif 

      5 months ago

      Hi .

      I have bnw x5 e70 2011 n55 engine.....

      Yesterday I drive 30 minutes I'm stop to buy something in the shop turn off the car after 5 minute I come back and car doesn't start no crank in screen i so lot of warning ..

      1. Transmission malfunction.

      2.fuel pump malfunction..

      3.Braking/chassis stabilization malfunction!

      And 2 more i dont remember ....I don't know what to do I never have this problem first time for me....

      Can you help me please thank you

    • profile image

      Miker 

      5 months ago

      2008 bmw320i touring wagon luggage compartment and rear gate lamp illuminate when I enter the car and remain on until I switch off the ignition and leave the car unattended for approximately 30 minutes. Thanks in advance of any help.

    • profile image

      Alex 

      6 months ago

      There's power running to my engine fan but the fan won't come on so is it a bad fan? And I think that's a reason why the transmission malfunction light is coming on cause the transmission fluid is getting too hot

    • profile image

      Jason 

      6 months ago

      I have a 2011 bmw 535 I my music dose not work it keep saying no warning tone can anyone help

    • profile image

      Mamasita718 

      6 months ago

      I just got a new gas pump 530i 2004 but won’t start at a half tank , is it Possible it was installed backwards ???

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