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Thread: Help me turn off my gong sound on the obc

  1. #1
    Join Date
    Jul 2022
    Location
    New York
    Posts
    6
    My Cars
    1984 bmw e23 733i

    Post Help me turn off my gong sound on the obc

    So my buddy started pressing buttons on my on board computer and now every time I come to a stop and go again, the gong goes off. Please help me turn off this super annoying sound

  2. #2
    Join Date
    Jun 2010
    Location
    TX
    Posts
    4,491
    My Cars
    1983/84/85 745i
    Last I saw one, that thing was in center of dash under that vent.

  3. #3
    Join Date
    Mar 2007
    Location
    Quadratechtown, PA
    Posts
    741
    My Cars
    5, 7, 4x4
    Guessing OBC the first one. I don't know of a feature that those have that sound the gong on take off.

    On the OBCII the gong will sound whenever a preset speed is exceeded when the feature is on.

    OBCII. Have 1000 100 10 1 buttons across the bottom.

  4. #4
    Join Date
    Jan 2003
    Location
    Bay Area, Ca.
    Posts
    2,973
    My Cars
    94 M5T
    does the abc have a speed limit warning? I bet that is set at a very low speed, like 1km/h. Look for a 'limit' button
    Mike
    93 M5 3.8 Sterling Silver/Black (euro)
    94 M5 Touring Madeiraschwarz/Black
    80 745i (project)
    83 735i / 5 speed (euro)
    86 745i

  5. #5
    Join Date
    Aug 2021
    Location
    Whitehall, Pa
    Posts
    55
    My Cars
    1984 733I
    The buzzer is a box under the grill on the top of the dash. unplugging that would take care of it. Im guessing the speed warning sensor is set at like 0 mph or something. this would cause it to beep any time you go over that speed.

    These are the only instructions Ive been able to find for the OBC:
    https://i8.photobucket.com/albums/a4...n-English1.jpg
    https://i8.photobucket.com/albums/a4...n-English2.jpg

    Hope it helps

  6. #6
    Join Date
    Jul 2022
    Location
    New York
    Posts
    6
    My Cars
    1984 bmw e23 733i
    Thanks for the help! I was able to figure it out and the gong is gone. Yesss

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