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      07-16-2013, 04:11 PM   #14
mecbain
Private First Class
 
Drives: e90 330i
Join Date: Feb 2013
Location: Montreal, Canada

Posts: 181
iTrader: (0)

removed it 1-2 months ago (already had the k&n drop-in filter), noticed an improvement on engine response, it just felt like it reved easier when pushing accelerator pedal 1/4, maybe it was super dirty (didn't notice). Obviously didn't notice any performance gains when full throttle.

no change in mpg though.
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