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Thread: Electrical Issue

  1. #1
    Join Date
    Jan 2019
    Location
    San Diego,CA
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    1
    My Cars
    325i 2006 BMW

    Electrical Issue

    325i newly replaced CAS 2 months later no power no start again. Battery not holding charge as well

  2. #2
    MauiM3Mania's Avatar
    MauiM3Mania is offline Observer/Master Skeptic Moderator
    Join Date
    Jan 2002
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    Central Pacific
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    88M3 99M3 04M3 ITBx16
    Moved from the General BMW Discussion sub forum, hoping to get some help for you here.
    04M3 TiAg 69k slick-top 3 pedal
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    WTB: 3.5" Eurosport/Conforti CAI

  3. #3
    Join Date
    Sep 2006
    Location
    Michigan
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    13,674
    My Cars
    2005 325Xi
    Has it had the battery cable recall done? Some vehicles that weren't included in the recall still had the problem. The main battery cable connection fails in the front fuse panel (passenger footwell area).
    Quote Originally Posted by B4SH View Post
    If anyone knows, it's this guy who knows literally nothing about everything.
    Quote Originally Posted by fcvapor05 View Post
    Do you even OT? The mean 401k around here is probably about $6, what with all the shiny cars and $1,000 watches and donations to get other members' Volvos running.


  4. #4
    Join Date
    Jun 2002
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    Aberdeen, NC (yes, again)
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    E39M5, E500 4WD
    Who replaced the CAS? If it was replaced at a dealership or a good BMW specialist shop, it will be warrantied. Certainly, you're going to want to connect the car to ISTA (BMW's diagnostic system), to diagnose the current (CAS?) failure, as well as the parasitic drain or charging failure.

    Without the ISTA diag, you're just going to be guessing.

    Chris Powell
    Racer and Instructor since, well. decades, ok?
    Master Auto Tech, owner of German Motors of Aberdeen
    BMWCCA 274412
    German Motors is hiring ! https://www.bimmerforums.com/forum/s...1#post30831471

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