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Thread: E31 rear windows failure

  1. #1
    Join Date
    Jul 2022
    Location
    Ormond Beach Fl
    Posts
    2
    My Cars
    1992 850i

    Question E31 rear windows failure

    Hey folks. I have a 92 E31 with just a few remaining issues to sort out.
    The rear windows will not function. They both failed at the same time.
    The front windows are fine. All the fuses are fine.
    When the rear window switch is pressed I can hear the relay in the trunk click and
    also a click from the relay module In the drivers door sill. I changed
    Out the RM1 relay module and it had no effect.
    So according to the circuit diagrams I have seen the only other thing
    it can be is the general module?
    Any assistance would be very appreciated. Thanks

  2. #2
    Join Date
    Oct 2016
    Location
    Shoreview MN
    Posts
    979
    My Cars
    Had a 1991 BMW 850

    General Module

    If you have not had the General Module Capacitors replaced, you need to do it. Scott here EEdegreetodrive does it for a reasonble price

    Its a suspect in a lot of electrical problems

    https://www.bimmerforums.com/forum/s...module-rebuild

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