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      01-16-2007, 04:47 PM   #10
Expert Road Racer
Drives: 07 335i e90, 09 335i e93
Join Date: Jul 2006
Location: St. Louis, MO

Posts: 1,330
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I notice the HP curve looks more normal, less of a sharp drop at 5.8K+ RPM than some prior runs.

Looking at the A/F, any more power to be made by leaning out a bit > 4.5K RPM? Or by running slightly rich is that helping cooling?
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