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  1. #1
    Join Date
    Mar 2006
    Location
    parker, co
    Posts
    115
    My Cars
    M3 E36, 2007 X3

    Parasitic voltage drain

    I just had an alternator and radiator put in my 2005 X5 and it seems my battery is draining faster than usual. I will take it back to the shop and have the mechanic take a look at it. Any ideas on what might have happened and what is the allowable loss of voltage on a sleeping x5 per hour? Thanks for the help fellow owners.
    m3x3x5

  2. #2
    Join Date
    Jan 2016
    Location
    Montreal/Cape Coral
    Posts
    207
    My Cars
    2012 X6 35i
    I think that the accepted draw is around .05 amps. Only way to find what's drawing excessive current is to start pulling fuses one by one with the engine off 'till you see your ammeter drop.
    2007 FJ Cruiser (best vehicle to date)
    2012 X6 35i Sport
    2013 ML350 BT
    2019 4Runner

  3. #3
    Join Date
    Jan 2018
    Location
    Denver, Co.
    Posts
    37
    My Cars
    1995 M3 Coupe 2005 X5
    Quote Originally Posted by peter2772000 View Post
    I think that the accepted draw is around .05 amps. Only way to find what's drawing excessive current is to start pulling fuses one by one with the engine off 'till you see your ammeter drop.
    Thanks for the reply I appreciate your advice.

  4. #4
    Join Date
    Jan 2016
    Location
    Montreal/Cape Coral
    Posts
    207
    My Cars
    2012 X6 35i
    Check back when you've got it figured out!!!
    2007 FJ Cruiser (best vehicle to date)
    2012 X6 35i Sport
    2013 ML350 BT
    2019 4Runner

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