90' 535i electrical issue. No cluster. No ac or heater. No computer. Ideas?

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  • lockeed
    Noobie
    • Jan 2021
    • 16

    #1

    90' 535i electrical issue. No cluster. No ac or heater. No computer. Ideas?

    Hey guys, I just bought a clean 535i sight unseen last weekend. The car is in good shape, wasn't abused and came with a booklet full of receipts from day one. But (there's always a "but" with these beemers isn't it!), the previous owner told me the cluster was not working, the ventilation and AC as well as the computer. Also - and this might be related or not - both rear doors are locked and can't seem to be opened...

    I was wondering if any of you had seen a similar issue? I've looked for about an hour last night and appart from the obvious (check fuses etc...), I didn't see any common issues that would explain all these items failing at the same time, or being related. Dash ground wire maybe? A module?

    Let me know what you guys think, or if you can point me in the right direction.

    Cheers

  • e30davie
    E30 Mastermind
    • Apr 2016
    • 1788

    #2
    checked the fuses?

    Comment

    • lockeed
      Noobie
      • Jan 2021
      • 16

      #3
      Yes I did

      Comment

      • South26
        E30 Modder
        • Jun 2011
        • 856

        #4
        fusible link by the battery?

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