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      06-01-2011, 09:41 PM   #6
KGB7
Crazy Russian Bastard
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Drives: 01 740i sport
Join Date: Apr 2011
Location: Siberian Prison

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Here is a BMW dyno run with stock and after market air filters. Aftermarket Air filter has given 13whp gain across the curve.

http://www.n54tech.com/forums/showthread.php?t=959
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