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Thread: crank sensor resistance M60b30

  1. #1
    Join Date
    Apr 2006
    Location
    Chicago, Il. U.S.A.
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    4,243

    Default crank sensor resistance M60b30

    Would someone please confirm the spec for crank sensor on an M60?
    Bentley states 1280 ohms for M50/60 and 540 ohm for M20/30
    The one on my M60 is dead nuts 540. Too much of a coincedence for me.
    Will someone tell me if this another Bentley typo before I spend $$ replacing good parts?
    "The gas pedal wouldn't go to the floor if it weren't meant to be there"

  2. #2
    Join Date
    Mar 2006
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    East Brunswick, New Jersey
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    Default

    The Bentley M60 CPS spec was wrong. If I remember correctly it is 540 Ohms. The Pelican site has an entry to this. Search it.
    '01 540it, 6/01
    '03 325i 5 speed, 9/02
    '10 535ix. 9/09
    '10 mini 6 speed
    '15 mini countryman 6 speed

  3. #3
    Join Date
    Mar 2006
    Location
    East Brunswick, New Jersey
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    879

    Default

    '01 540it, 6/01
    '03 325i 5 speed, 9/02
    '10 535ix. 9/09
    '10 mini 6 speed
    '15 mini countryman 6 speed

  4. #4
    Join Date
    Apr 2006
    Location
    Chicago, Il. U.S.A.
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    Default

    Thanks. I thought so
    FYI The Bentley spec for the M60 ICV is also wrong, learned that one the hard way. The spec given for the M20/30 is the M60 spec. Don't know if it's correct for the M20/30
    "The gas pedal wouldn't go to the floor if it weren't meant to be there"

  5. #5

    Default

    You can't trust this value even if it's well within range. A few years ago I had a problem with a '93 318i that would cut off at 3250 RPM when warm, as if hitting the rev limiter. Test after test with a multimeter confirmed all sensors were good. As a last resort I took it to the dealer. They start suspecting everything from cams out of timing to corrupt ECU. A week later, they consult the guru in new jersey and discover the crankshaft sensor leaking voltage. The resistance of the thing was dead center.

    If the symptoms match a bad CPS, try a known good used one, despite what the resistance is.

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