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  1. 1 Series & 2 Series
    2010, e87 diesel 1 series with parasitic battery. After spending over a week painfully testing everything, every fuse, every visible wire, we've narrowed it down to the cas module. Plugged in, she's wasting 1.10 amps. Without she's at 0 47 amps. But the unit itself and circuit board looks...
  2. F10 / F11 (2011 - 2016)
    TL;DR: a thief tried to steal my Catalytic Converter, damaged electronics somehow. BMW says JBE needs to be replaced, I bought a new one and it might need programming, but it might be a wire harness? Checked all fuses and replaced the battery to eliminate possible alternative causes. Included...
  3. E90/E91/E92/E93 (2006 - 2013)
    My car has below symptoms, all of which related to voltage issue that caused engine to cut down while driving on motorway at 50mph. Here is the video. Symptomps are as below; (1) When the car is parked (gear at P), and the key is inserted and brake applied in order to start the car, after...
  4. E60 / E61 (2004 - 2010)
    Hi All, Need some help for about 2-3 months while driving along when raining or really hot weather my car would bring up all sorts of warnings steering lock fault/Servotronic and others. I ignored this hoping this would go away but yesterday went to start my car and all the electrics started...
  5. E34 (1989 - 1995)
    First time posting here, so let me get to the background of my story, I was on my way home when all the sudden my locks would not work, my windows would not work, the wipers only worked on high, and when I was getting home I was pulling into my parking spot and the car died.. it did have the...
  6. E90/E91/E92/E93 (2006 - 2013)
    So here recently over the past month my drivers headlight has began to act up, it flashes like a strobe and isn't usable so i had to unplug it now here in the past couple days when i insert my fob to start the car sometimes it loses power to the whole car and a green bar flashes on my dash...
  7. E39 (1997 - 2003)
    Howdy, After weeks of trying to get my factory stereo to work and ultimately failing... I decided to bite the bullet and put a cheap aftermarket unit in until I can get something I'd like to keep. I have the unit all wired up to my adapter. Problem is when I plug the adapter in the unit gets...
  8. E39 (1997 - 2003)
    I have 2000 bmw 528i. I'm not getting ground to the dme relay, temp sensor, and fuel pump relay and when I crank I'm getting spark but no injector pulse. I have the Bentley manual I jumped the relay for the fuel pump, and it works but I Also can't connect a obd2 scanner to pull codes. I'm...
  9. E90/E91/E92/E93 (2006 - 2013)
    Recently I charged my battery at 55 amps, but left the charger connected while trying to start it. Now there is power only to the engine bay (the fan wasl still running), but there is no power anywhere else. I already replaced the rear distribution module, battery, and main relay. Doe anyone...
  10. F10 / F11 (2011 - 2016)
    hello guys i have a 06 530xi sedan my driver side headlight is busted and i want to replace it! i have auto adjust hid headlights and they are pretty expensive to purchase my question is, if i purchased a hid headlight WITHOUT auto adjust, will they work on my car?are they compatible as far as...
  11. E36/7 Z3 (1996-2002)
    I have a parasitic drain on my 2001 BMW Z3. I have traced it to fuse #31. Fuse 31 has links the air conditioning, clock, instrument cluster, and on board and outside Temp displays. I have never worked on an electrical short before. Does anyone have any advice on my next step?
  12. 7 Series - E65 / E66 (2002 - 2008)
    I recently purchased an 02 745li from private party. The car was in need of a new alternator and battery. I replaced the alternator with a refurbished one and got and registered a agm battery to the car. I am getting a generator comunication error when hooked up to out bmw scan computer. So I...
  13. 7 Series - E38 (1995 - 2001)
    Hey guys, hope someone can help. Joust bought a 2000 740il. The break lights stay on, the visor lights won't go on, the radio doesnt work and the steering is a little tight. I drove the car today and then it started to rain. All of the sudden every thing I mentioned above started working fine. I...
  14. E90/E91/E92/E93 (2006 - 2013)
    Hey guys, yesterday I was driving then all of a sudden a wierd and loud sound started to come from the engine bay, then all my electronics were unable to be controlled and every thing stayed on, even after I turned of the car and removed the key fob. The windshield wipers stayed on at full speed...
  15. E34 (1989 - 1995)
    I have a 94 530i. I got it about a month ago it has 170k miles on it. The other week I had an issue with it starting, it turned out to be a bad fuel pump relay, after I got it going I've started to have a lot of electrical problems that weren't there before. Here is a list of things that don't...
  16. 7 Series - E65 / E66 (2002 - 2008)
    Ok i have been on here reading and reading. I'm new to posting so i want to thank everyone ahead of time for helping me out. I replaced the battery in my car back in November and i didn't know you had to register the battery. about 2 months ago the problems started happening. first it was the...
  17. E46 (1999 - 2006)
    My 2000 328 has been having some electrical problems lately. The battery dies on me almost once a week. I changed the battery for a new one on Saturday and the car didn't start on Wednesday. The alternator has been checked an its working fine. I'm guessing there is an electrical leak somewhere...
  18. E36 (1991 - 1999)
    Hello everyone! Signals do not work and grab one of the panels and electric car is not working, also the brake lights do not work, what to do? All fuses ok
  19. E39 (1997 - 2003)
    I just replaced my first window regulator. After getting the window in and attached, I wanted to test it before putting it all back together again. I turned on the car, and reattached the rear passenger switch. Pressed the button and the window worked! Wonderfulness ensued! Went back to...
  20. E85 / E86 Z4 (2003-2008)
    My 2004 Z4 roof won't lock in its open position. It retracts back and forth no problem and it locks when I close it but when I want the roof down I have to get out and physically push the roof down to lock it down or else I get the flashing light on the switch. Help! I've seen plenty about the...
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