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      01-03-2013, 12:29 AM   #15
BigDeep1
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Drives: 2011 535i Sport - P1, P2
Join Date: Sep 2012
Location: Irving, TX - Valley Ranch

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Could the extreme waves be a dyno error, or maybe a dyno user error?

There have been a couple of dynos out on the JB4 with the n55 in the F10, and I don't remember them being this choppy .