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Thread: Clutch goes in, revs go UP?!?

  1. #1
    Join Date
    Jan 2006
    Location
    St Louis, MO
    Posts
    44

    Default Clutch goes in, revs go UP?!?

    On the highway, when I put the clutch down and let off the gas to shift, the revs shoot up. On other cars I've drive, the revs drop when I push the clutch pedal. Is something screwy? Its as if some mysterious force is holding on to the gas pedal while I have the clutch down.

    If I tap the brake lightly after pushing the clutch, the revs will drop as they should.
    1990 Infiniti Q45 - http://www.Q45.org/
    1990 BMW 525i - Sold

    Creve Coeur, MO

  2. #2
    Join Date
    Dec 2003
    Posts
    868

    Default Sounds like your clutch switch is bad.....

    Are you using cruise control while doing this? If so, the clutch switch is not telling the cruise computer that you have pushed the clutch pedal in and as you slow down the cruise computer thinks it needs to accelerate to maintain speed.

    It's in a weird spot in the ETK......with the cruise control diagram....

    http://www.realoem.com/bmw/showparts...57&hg=66&fg=20

    Quote Originally Posted by Jesda
    On the highway, when I put the clutch down and let off the gas to shift, the revs shoot up. On other cars I've drive, the revs drop when I push the clutch pedal. Is something screwy? Its as if some mysterious force is holding on to the gas pedal while I have the clutch down.

    If I tap the brake lightly after pushing the clutch, the revs will drop as they should.
    Last edited by Scott H; 02-07-2006 at 12:42 PM.

  3. #3
    Join Date
    Jan 2006
    Location
    St Louis, MO
    Posts
    44

    Default

    Quote Originally Posted by Scott H
    Are you using cruise control while doing this? If so, the clutch switch is not telling the cruise computer that you have pushed the clutch pedal in and as you slow down the cruise computer thinks it needs to accelerate to maintain speed.
    I think you may have solved my problem, and now I feel stupid.

    Thanks.
    1990 Infiniti Q45 - http://www.Q45.org/
    1990 BMW 525i - Sold

    Creve Coeur, MO

  4. #4
    Join Date
    Dec 2003
    Posts
    868

    Default I edited my post below to show you the part.....

    it's in the cruise control section of the ETK

    Quote Originally Posted by Jesda
    I think you may have solved my problem, and now I feel stupid.

    Thanks.

  5. #5
    Join Date
    Jan 2006
    Location
    St Louis, MO
    Posts
    44

    Default

    Pardon my ignorance, but I have no idea what an ETK is?
    1990 Infiniti Q45 - http://www.Q45.org/
    1990 BMW 525i - Sold

    Creve Coeur, MO

  6. #6
    Join Date
    Dec 2003
    Posts
    868

    Default It's the BMW parts catalog

    pretty easy to get in there and replace that switch....just need to take some trim panels off under the steering wheel


    Quote Originally Posted by Jesda
    Pardon my ignorance, but I have no idea what an ETK is?

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