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High/varying idle, usu. way above 1000 rpm...?? (archive)

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Posted by JamesM on November 14, 2000 at 14:27:57:

My M5 idles funny. It idles pretty high when cold at startup, but when warm, it will intermittantly stick at a high idle, about 1200-2000 RPM. It also may actually rev hard between shifts!! Before replacing the idle control valve, is there anything else I should do? I adjusted the TPS and lubed the cables, but that didn't help much at all. Can I just clean/lube the ICV? What else could be the cause? Car is stock except for Jim C chip.

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88 M5
88 M3
83 535i

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