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  1. 7 Series - E38 (1995 - 2001)
    118k miles. Something is preventing my battery from getting juice from the Alternator. The most Reputable & Costly local Repair shop has ran multiple tests on 4 different occasions & is baffled as to why it is draining. Is there a junction &/or connection between the ALT & Battery that needs...
  2. E36 (1991 - 1999)
    Hi everyone. M43B18 engine, I have a really annoying issue. First start of the day is just fine, starts perfectly. After driving it (doesn't matter for how long) the car won't start, starter works but it's not turning the engine. Today I had a weird incident: drove for 20min, turned off the...
  3. E39 (1997 - 2003)
    Hey, 2002 530i I have been having a battery drain on my car. I keep the charger in my trunk, and when I know I am not going to be driving for awhile, I disconnect the battery and put it on a charger. Nonetheless, if I don't put it on the charger it will die. I was doing some research online...
  4. General BMW Questions
    Help please! Had a replacement battery a few weeks ago (flat battery). 2 weeks later the battery was flat again. Garage can't indentify any problems (alternator ok, and says there is no constant drain). They said they said that they found a technical bulleting that said the media system can...
  5. E60 / E61 (2004 - 2010)
    Hi I'm writting on behalf of my parents, who own 2007 525d e60. They bought the car over a half year ago and had no troubles with it, but since last 2 weeks. The battery is running low over night and car doesn't start in the morning. They thought it's battery issue and ordered a new one online...
  6. E85 / E86 Z4 (2003-2008)
    Hey guys, I have a 2004 Z4. The roof stuggles to open and close. To the point now it works good in the beginning of the season and stops after a month or two all together. This year it won't budge. Latches work fine, and motor is whirring strong. I think it's a hydraulic fluid issue, but...
  7. E30 (1982 - 1993)
    We're new to the community and excited to join it and start contributing, although, we'll be asking alot more questions than answering them for now. We purchased the 1985 325e from a guy this past weekend. He claims he bought the battery this month, although, it's only sat for a few days and...
  8. E90/E91/E92/E93 (2006 - 2013)
    hi... 2011 e90, water on floor behind driver seat. trying to figure out how many sunroof drains there are. i can easily see 2 in the front 2 corners. how about in the rear of the sunroof well? if there are drains there, how do you get at them? finally, how do you clear the rear ones...
  9. X5 E53 (1999 - 2006)
    hi, I have a battery drain. I have found the fuses that are causing the problem and removed them to stop the drain but cant figure out the problem. both of these need to be removed to stop the drain. R3 RELAY IN THE BACK (audio unit relay) and FUSE 72. (1st in line, the audio/nav fuse)...
  10. F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
    Hi, so someone tried to steal the car wheels. They took a jack underneath the car and pumped it up from where the oil drain plug is. So now I'm getting a slightly whirling noise only here n now, when I'm not accelerating and just rolling. Any help would be great as I'm worried it's damaged...
  11. X5 E70 (2007 - 2013)
    I just posted about throttle sensor issues and am also noticing that something is draining the battery in my 2008 E70 4.8L. I just replaced the alternator and battery for the second time within one year. Has anyone else encountered this? Any theories on what could cause it? I read that...
  12. BMW Coding and Programming
    Hello everybody ! My NBT is well installed, all functions runs, no problem at all. Just the pb is battery discharge itself since I have installed the NBT in replacement of the old CCC. I have coded the NBT so if there is a pb of coding, can you give me the parameter to modify. I think there's...
  13. Tools and Miscellaneous
    I have an unused Fumoto F-109N oil drain valve and the extension needed for an e60 oil pan. Found out when I changed the oil that my bolt is pointing straight down, which is 535xi specific I guess. (pics I found online showed pointing down at more of an angle at the end of the pan). Anyway...
  14. E89 Z4 (2009 - current)
    Does anyone know if the notorious drain problem (i.e. the one that causes the top motor to fail) has been resolved with the E89 ?? Thanks.
  15. E34 (1989 - 1995)
    I have a problem with a parasitic drain in my car. I used multimeter to find responsible fuse and it was Fuse 30 according to diagrams. The drain currently is 0.22 amps or 220 mA which is almost 10 times too much. When i remove fuse 30 it drops to 0.2 which i think is the right drain. I have...
  16. E34 (1989 - 1995)
    Today i found where a parasitic drain is coming from on my bmw. Its coming from windows system. In beginning i tought it was the window switch lights,but i removed them and still battery drain was 0,21 amps instead of 0,02 when I remove fuse for windows in the back pf the car. But whem i remove...
  17. E39 (1997 - 2003)
    Hi all, I've read through every post on battery drains here and have to add my own and hope someone can help! I have a 2000 BMW 528i which I bought off my mechanic when I was trying to get my old car serviced and it was too dead to repair. He's on active duty in the Armed Forces and drives to...
  18. E60 / E61 (2004 - 2010)
    looking for a wiring diagram for E60 MPM. i'm curious if top left and bottom left (i guess or right depending on how you hold it) pins should form a closed loop? they do on mine when i check with an ohm-meter. wondering if i have a bad MPM.
  19. E60 / E61 (2004 - 2010)
    Anyone else having an issue with battery drain because of instrument cluster. After ignition is turned off, doors closed, I hear buzzing sound from inside the engine compartment (i think it is from DISA). Also hear clicking sound every 13 or 20 seconds. This sound (both clicking and buzzing)...
  20. E60 / E61 (2004 - 2010)
    Hello, during the last month I've been getting this annoying alert every morning that says that there has been an unusual voltage drop due to a higher than expected consumption since last turned off the vehicle. From what I've learned about my 2010 550i h, it has a sensor that measures the...
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