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      05-18-2014, 06:34 AM   #5
badblack550xi
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Drives: F10 550i 2011
Join Date: May 2013
Location: NJ

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Quote:
Originally Posted by ferrarif1 View Post
Any before and after dyno's or performance comparisons?
No sorry didn't do any dynos.. but i did run at the track... 1st week i saw no performance gain and ran identical times after a few weeks i went to track again ran much faster was about 1mph faster trap and about 0.3 of the previous 1/4 time.
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2011 550i RWD 60-130 7.35
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