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Thread: E34 525i Radio harness

  1. #1
    Join Date
    Aug 2022
    Oak Grove, Ky
    My Cars
    1992 525i

    E34 525i Radio harness

    My 92 525i still has the original head unit and speakers, really wanting to upgrade it since it needs to be switched out anyways but I heard installing a aftermarket head unit can be tricky on these cars so I'm just wanting some information before I just tear into it and make myself mad

  2. #2
    Join Date
    Jul 2011
    Arlington, VA
    My Cars
    2018 BMW M240i
    Go to to see what fits and to see what needs to be done to make a modern head unit interface with your car. Also, check out

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