Thread: RPM Unstable
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      09-04-2008, 09:36 AM   #3
Romo
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Drives: HP4 Comp,CGTS sold,M2 ordered
Join Date: Oct 2006
Location: The Netherlands

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IMHO it is not normal, I have driven several BMW`s and my E92 M3 is on its way for next week, but idle is idle.

I did once see it on a Honda I had in the past; reving from idle to 13-1400 and back. This was obviously a mechanical problem and had to be fixed. And it was fixed. ( as far as I can remeber it was provoked by a dirty gas valve, I don`t know if this is the correct English word for it.)
Now a E92 M3 has 8 of them, maybe a problem overthere?