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  1. E46 coolant leak behind alternator?

    E46 (1999 - 2006)
    Hey! I have been trying to find the coolant leak on my 99 e46 for a few weeks now and I don’t know what it could be. After getting a coolant system pump I found the first leak, which was at the thermostat, and successfully fixed that by changing the thermostat housing gasket. Now it’s leaking...
  2. Any advice on what I should do would be appreciated

    E46 (1999 - 2006)
    So I messed up
  3. Help! Every light on my dash is on and I have no clue where to start.

    F10 / F11 (2011 - 2016)
    Electrical issues are the worst. So I turned my car on a few days ago, and every single light on the dash lit up. Im getting specific errors for DTC, CEL, drivetrain, passenger airbag, brake light, ABS, and steering is super stiff. So I immediately thought it was the battery so I had it and...
  4. 2012 328i alternator replacement-- charge malfunction persistent

    F30 / F31 / F32 / F33 / F34 / F36 (2012 - current)
    g'day!! sooooo over the past couple weeks i got multiple intermittent headlight malfunction lights. they would go off and the bulb is/was not burned out. last week i got the yellow charge malfunction light twice, and then it turned into the red charge malfunction, stop driving light. battery...
  5. bmw car wont start, help please

    F10 / F11 (2011 - 2016)
    hello 2011 bmw 535i xdrive 140k+ miles. my car wont start, i replaced the started and new battery. it started twice but it would not turn on again. while it was on i measured the alternator Voltage its was at 14.5. when i push start button it doesn't crank.. shows Ignition Malfunction...
  6. Some electrical stays on, Even after 16 minute wait time.

    7 Series - E65 / E66 (2002 - 2008)
    Hello all, I am a new member, with a new (to me) BMW, and a number of the previous owners issues (like many here). I purchased a 2004 ...... wait for it..... 745I N62B44A :yikes::yikes::yikes: as my first personal vehicle (ive shared for years, but never enjoyed my own). I know, from reading...
  7. Alternator Replacement Cost at Indy

    E60 / E61 (2004 - 2010)
    Hi guys, Is $690 for an alternator replacement (with Bosch rebuilt) and the diagnostic work to figure it out a fair price? Or am I being burned here? I've worked with this mechanic several times, but now that he has gotten pretty big, I feel like he no longer feels the need to hook up the...
  8. Electrical issue - BMW 645ci

    E63 / E64 6 Series (2004 - 2010)
    Hello, I got some really nice help last time, so I´ll post my second big issue! :angel: Problem: When I drive, all of a sudden Dynamic drive failure turns on, and is often followed by tire pressure, active sterring, abs, gearbox malfuction, etc. I scanned with my OBD2 senor and alot of...
  9. Alternator Water pump problem or Battery Recoding?

    E90/E91/E92/E93 (2006 - 2013)
    My son has a 2011 328--I hooked up my Schwaben scanner and it's throwing the following codes: 2ECC/present BSD, message: alternator missing 2E85/not present BSD, message: electric coolant pump missing 2E81/not present DME: electrical coolant pump, speed deviation. When I spoke with him, he...
  10. Changed Spark Plugs, Car starts sometimes and sometimes doesn't

    E90/E91/E92/E93 (2006 - 2013)
    Hi Pundits and fellow BMW aficionados, I changed one of the spark plugs (one to the left of valvetronic motor) last evening and the other plugs I changed sometime ago. This coil was very hard to do before and it had a rough idle for the past few days, so I took time out to do it yesterday. I...
  11. E85 Z4 Battery Warning Light

    General BMW Questions
    Hello, I am a new BMW owner so I'm basically clueless. Just today, I found out that my battery warning light on my dash came on. It's not always on. I tried turning the car on and off a couple of times throughout the day. sometimes when I turn it on, the light doesn't come on at all for the...
  12. E46 Gear Light After Alternator Change

    E46 (1999 - 2006)
    2002 325i 201,xxx miles. I've looked up a bunch of posts about the alternator going out and limp mode. My red battery light was on car went into limp mode. Changed battery and alternator, red battery light is gone and now still in limp mode. Tranny ran great before, cleared codes no gear light...
  13. Shutting off, instantly draining battery- loose belt or bad alternator?

    X5 E70 (2007 - 2013)
    2008 x5 4.8 So i recently had a bad oil leak (one of many of course) had a seal replaced -oil pump. The guy took the belt off. Since then 2x now all codes come on dsc, steering etc, i pull over and shut off then it wont start due to low battery. As the minutes go on the battery drains as i...
  14. x5 shutting off, instantly draining battery- loose belt or bad alternator?

    X4 F26 (2015 - Current)
    wrong forum
  15. Electrical System Malfunction!

    E70 X5 M and E71 X6 M (2010 - 2015)
    Without getting too Drawn out, I will start at the beginning. This is an X5 35D, 2011. a year and a half ago, I took the car over to an Alternator place that I had just had dealings with, and had some confidence in. I asked them to install a battery, which they did for 175$ In the last few...
  16. 03 745 battery / electrical mystery

    7 Series - E65 / E66 (2002 - 2008)
    So I hope someone can help me with these problems. Bought an 03 745 this summer. I noticed it had a sales receipt for a new AG battery within the past year but started getting "transmission Failsafe" problems. I replaced the PCM and that seemed to fix it - for a while. When the problem...
  17. New to the Bimmer World(But there's some issues I need help with.)

    E39 (1997 - 2003)
    Good Day, So I guess we'll start at the beginning, a year I was at my mother in laws and asked what she was gonna do with her old 540 that's sat in her drive way since my fiancé was a senior in high school, she's currently getting her Master's if that helps with how long its been sitting. And...
  18. 2008 X5 4.8i Intermittent Charging

    X5 E70 (2007 - 2013)
    I've got a 2008 X5 4.8i that has some weird charging issues that are not making sense. I've seen others on the forum with similar issues, but never seen a solution. The short story is sometimes the X5 is started and starts charging around 13.9V. I can drive it for hours without any issues...
  19. Still low voltage after changing Alternator and Volt regulator..

    E39 (1997 - 2003)
    Hello, A little help needed. I searched for an appropriate thread but didn't find. Anyway, last weekend, about 100km from home, my battery light came on. I used the OBD check test No. 9 to get a live voltage readout and it was showing around 11.5V. Turned everything off and drove home and just...
  20. E70 Dead after new Battery and Al

    X5 E70 (2007 - 2013)
    Hey Guys, This is my first post here, little backstory to my problem. I have recently moved from FL to CA. My x5 was transported by truck. Upon arrival I keep having issues with it. My first error message was increased battery discharge. The car then died on the side of the highway and I had...