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Thread: pick-up around plug wire

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  1. #1
    Join Date
    Jan 2005

    Default pick-up around plug wire

    1991 535im

    What is the pick-up coil around one of the plug wires for? Does it go to the crankshaft sensor?


  2. #2
    Join Date
    Jan 2004

    Default It is the equivalent of Camshaft position sensor, ...

    just to let the DME (ECU) know what cycle, the turn of the cranck shaft is in (4 times engine)


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