New BMW M5 S63Tu Engine Improves Upon X5/X6M's S63 - All Details
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06-22-2011, 08:55 PM
Join Date: Apr 2010
Originally Posted by
Damn, and after ppl start tuning them they will probably be running closer to mid high twenties. Thats crazy.
I can see it now, people running 30psi on a stock motor.
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