Quote:
Originally Posted by SeanWRT
Nice gain throughout the band!
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Thanks!
Quote:
Originally Posted by FSociety
Wow Fabspeed Motorsport make a DP for the X4 M40i !!!
I'm local btw
trafficalert did you Dyno before / after or drag it to see difference?
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Some ideas have been tossed around for the X4 M40i
!