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Strange sound accelerating high RPMs.

Discussion in 'E39 (1997-2003)' started by 299265, Apr 10, 2012.

    • Member


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    Anyone recognize this sound? Does not make this sound sitting still. Just got back from the shop after timing chain, guides, tensioner. Also the engine does not idle well. Very rough and gets worse with A/C on (unusual?).

    • Member

    eblue540 Fourth Gen Bimmers

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    Sounds like a gear train under load when your accelerate and not so off the throttle. Can you pinpoint a location from the drivers seat?

    I'd take the mechanic for a ride along and get his opinion sooner rather than later.

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