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on the camaro i had in the sig it was a 9rwhp gain. But that motor has 11.8.1 compression.
On the BMW or audi.....no. dont do it.
Also the ele. portion are total crap. They break over and over again. leak, etc etc
in 3 yrs (with the car in storage for winter) i went threw 4 of them.
never again.
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2010 335i M sport
2008 328i
2006 325i
1995 Z28 6spd - 377rwhp rip
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