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Originally Posted by ksfrogman
This is the most significant finding (other than dyno results) that favors the GruppeM design:
http://www.e90post.com/forums/showpo...1&postcount=95
The opening toward the bottom brake duct area means that if the driver's side bottom grille were opened, cold air would get to the K&N air filter. As for the throttle body, forget for a moment that it's a "Dinan." It's a stock BMW throttle body that has been bored out a little bigger with a bigger valve. Dinan's claims are a mere +5 hp max and +4 ft-lbs torque, and I am assuming this is at the wheel. |
+5hp max? Hey thats like 10 garage door openers so it's not that trivial
