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Thread: On Board Computer

  1. #1
    Join Date
    Mar 2011
    Location
    george. south africa
    Posts
    16
    My Cars
    bmw 635 csi 1981

    On Board Computer

    Whilst removing my centre console in order to recover my dash I have successfully destroyed my OBC !.
    It worked perfectly before this
    At vast expense I got a new one from my stealer.
    Installed it, plugged in the multi connector and the only part that now works is the clock.
    I checked the box from the part supplied and its the same number as that I replaced

    Does anyone know where I start looking.
    Is it practical to start checking for current at the end of the multi as this might indicate that the problem lies elsewhere.
    One of the multi contacts must have power because the clock works but nothing happens when scrolling though on the stalk switch.
    Does every multi supply current to a different display feature.

    This is a 3lt e36 roadster

    HELP

  2. #2
    Join Date
    Oct 2012
    Location
    Louisville, KY
    Posts
    4,517
    My Cars
    1997 BMW Z3 1.9L 5MT
    Quote Originally Posted by 29113 View Post
    ... destroyed my OBC... got a new one... Installed it, plugged in the multi connector and the only part that now works is the clock... Does anyone know where I start looking...
    Could the new OBC need "coding" to the car in order to work? See mention of it here:
    http://www.realoem.com/bmw/enUS/show...diagId=62_0373
    Last edited by Vintage42; 06-24-2016 at 11:45 AM.
    BMW MOA 696, BMW CCA 1405

  3. #3
    Join Date
    Mar 2011
    Location
    george. south africa
    Posts
    16
    My Cars
    bmw 635 csi 1981
    Good point I will have to check with stealer

  4. #4
    Join Date
    Sep 2005
    Location
    Boiling Springs, PA
    Posts
    5,883
    My Cars
    '02 Z3 3.0i 5 speed
    I've heard it needs to be coded. BTW, I have a used OBC I'm probably going to sell.

  5. #5
    Join Date
    Jul 2021
    Location
    nl Ca
    Posts
    14
    My Cars
    3
    Did you get this figured out I have the same problem

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