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      12-14-2022, 08:00 PM   #32
chris719
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Drives: '08 M Roadster
Join Date: Oct 2007
Location: NJ

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Quote:
Originally Posted by warrenw View Post
Oh so it's not mechanical anymore. Interesting. I need to look into that.

Anybody know if the BM3 M2CS tune can eliminate the rev hang?
It is also sometimes a byproduct of needing to make sure all fuel is burned to meet emissions or protect catalysts.
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