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Thread: something is killing my battery.....

  1. #1
    Join Date
    Mar 2012
    Location
    sanford maine
    Posts
    19
    My Cars
    1995 bmw 740il

    something is killing my battery.....

    hey whats up,well something is killer my battery.when i turn the key and shut the car off,some of the lights in the interior stay on and my brake light in the rear window stays on.i could hear something staying on inside the car.almost sounds like it's coming from the center console.need more info let me know...

  2. #2
    Join Date
    Jan 2012
    Location
    Bel Air, Maryland
    Posts
    22
    My Cars
    e39 528i
    if its a soft buzzing noise in the center console, it's probably the thermostat. it stays on for a few minutes after the car is off and eventually turns off. though for the lights... just lock the car when you get out and your interior lights will immediately dim.
    e39<3

  3. #3
    Join Date
    Mar 2012
    Location
    sanford maine
    Posts
    19
    My Cars
    1995 bmw 740il
    i tried that last night and that buzzing noise stays on and the lights that stay on are,the light for the shifter and the light for the head light switch.and my 3rd brake light stays on all the time.

  4. #4
    Join Date
    Mar 2012
    Location
    us
    Posts
    12
    My Cars
    BMW
    if its a soft buzzing noise in the center console, it's probably the thermostat.

  5. #5
    Join Date
    Sep 2008
    Location
    alabama
    Posts
    5,537
    My Cars
    2002 bmw 325
    the 3rd brk light should only be on when you hit the brk pedal.

    the shifter light will stay on for atleast 16 minutes. after that if its still on than you need to figure out what is keeping the car awake.
    02 BMW 325
    13 MB GLK350
    94 GMC sonoma 4x4 - hpd30/8.8 - toy
    15 MB GLA250 (wife's)
    01 Pontiac WS6 - Garage Queen
    12 RAM CC Hemi powered - new DD

    GOIN BROKE BUT N STYLE

  6. #6
    Join Date
    Jan 2012
    Location
    Queen Creek, AZ
    Posts
    87
    My Cars
    1991 850i, 2007 X5.
    For those of us with the 8 series cars, the "General Module" goes south and can kill a battery or batteries in a matter of days. It can also cause all sorts of odd electrical gremlins. Not sure if you 7 series has similar equipment.

  7. #7
    Join Date
    Mar 2012
    Location
    sanford maine
    Posts
    19
    My Cars
    1995 bmw 740il
    i have a 95 740iL

  8. #8
    Join Date
    Dec 2003
    Location
    Maryland
    Posts
    1,141
    My Cars
    Avus e30(sold), '95 Avus
    Sounds like possible lamp module. You haven't had a windshield installed lately have you? I've seen quite a few LM full of water due to shotty installs.
    Level 1 Certified BMW Technician

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