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      10-25-2011, 03:44 PM   #5
Affify11
Second Lieutenant
 
Drives: 2006 BMW 330i
Join Date: Oct 2011
Location: Tulsa, Oklahomo

Posts: 275
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2006 E90 330i  [2.50]
I have done the Charcoal delete + K&N drop in.. it definitely makes a difference.. once you get up to around 5k rpm the intake makes noticeable deeper sound than stock. kinda sound like my friends E46 with a K&N intake. i did notice some response..I also ordered some scoops to add to the setup. Make sure to clean the MAF sensor when doing it, makes a big difference.
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