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Thread: new 740iL owner-DSC module question

  1. #1
    Join Date
    Dec 2012
    Location
    Pittsburgh PA
    Posts
    152
    My Cars
    87' E30 - 97' E38

    new 740iL owner-DSC module question

    just picked up a 97' 740il and the owner has told me that the DSC module is no good. he showed me where it is and explained that it just simply needs swapped out. im pretty familiar working on bmws. i own an 87 E30. it breaks often.
    anyway....the
    DSC module...is it just a unplug and swap? anything to be worried about?

    ps would this have anything to do with the speedometer not working?

    cheers

  2. #2
    Join Date
    Feb 2009
    Location
    KC North, MO, USA
    Posts
    11,153
    My Cars
    1996 740iL
    On your car, I believe it would the a 'plug and play' but you might want to consider sending it to a place like Module Masters for a repair. It would affect the speedo but so would a bad wheel speed sensor, drivers side rear. Do you have a trifecta of lights on the cluster?

  3. #3
    Join Date
    Dec 2012
    Location
    Pittsburgh PA
    Posts
    152
    My Cars
    87' E30 - 97' E38
    Quote Originally Posted by Mayorchuck View Post
    On your car, I believe it would the a 'plug and play' but you might want to consider sending it to a place like Module Masters for a repair. It would affect the speedo but so would a bad wheel speed sensor, drivers side rear. Do you have a trifecta of lights on the cluster?
    only lights i have on are traction ( because of the DSC im told ) and my check engine is on due to an O2 sensor.

    traction control is OFF and i was told its due to the DSC

  4. #4
    Join Date
    Feb 2009
    Location
    KC North, MO, USA
    Posts
    11,153
    My Cars
    1996 740iL
    It's been my experience that all 3 lights come on when the module is bad. My money says you have a bad wheel speed sensor. Might pull the rear drivers wheel and inspect the wire. That's the one that sends the signal for the speedo. Be sure to buy OEM if you replace it.

    You might want to look into getting INPA. The download, or CD, and cables for a laptop are widely available and is a good diagnostic tool. It would tell you exactly what your issue is.

  5. #5
    Join Date
    Apr 2012
    Location
    WHEREABOUTS UNKNOWN
    Posts
    654
    My Cars
    MEIN STAFF CAR
    `


    Module Masters -

    The shop foreman at the BMW dealership

    told me to send my DSC module -

    Plug and play on a 2000 E38 740iL -

    Outstanding price -

    Outstanding service -

    Incredible turn around -


    Thank-You
    D.B.


    .

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