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Re: 1988 M3 (rough idle) (archive)

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Posted by j on July 19, 2000 at 01:28:38:

In Reply to: 1988 M3 (rough idle) posted by dss on July 18, 2000 at 07:52:01:

I got this M3, it runs good for one exception, it has a rough low idle. The idle goes up and down, not drastically though, but enough to bother you.

What do you think is the problem?

try turning the brass screw above the 'M" on the valve cover, I had the same problem and it solved it in ten seconds. the low idle and the fluctuations

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