Thread: F10 550 ix Drive Vs DCT E93 M3
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      07-16-2013, 01:48 PM   #7
badblack550xi
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Drives: F10 550i 2011 F90 2020 COMP
Join Date: May 2013
Location: NJ

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Quote:
Originally Posted by Alan l. View Post
You should do a before and after dyno for the downpipes.
no need for dyno i will just do 1/4 =d
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