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  1. #1
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    Member No: 177531 BravoEcho is an unknown quantity at this point BravoEcho's Avatar
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    M5 E34 idle issue

    I'm new and seeking some information on idle problem I have with my new M5 (E34). The car runs fine at high RPM but when change clutch as I come to stop the idle drops below the normal and comes back up to the normal RPM. If I come to a stop at high idle and fast (of course changing clutch) then the car cuts off. Do you have any idea? Thanks in advance.

  2. #2
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    Member No: Paul's Avatar

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    Re: M5 E34 idle issue

    What's normal idle? Should idle around 900rpm and if it's taking too long to get there I'd say give the idle control valve a good cleaning with brake clean. You should be able to hear it rattle when shaken if cleaned properly. If that doesn't fix it check for vacuum leaks and also the fuel pressure.

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