Thread: K&N or AFE Filter In OEM Box
View Single Post
      07-10-2008, 08:48 PM   #1
BTG
Driver
BTG's Avatar
United_States
13
Rep
116
Posts

Drives: 14 335i Xdrive AW/CR
Join Date: Aug 2007
Location: Southeast PA

iTrader: (5)
K&N or AFE Filter In OEM Box
Has anyone tried installing a K&N or AFE filter in there original air box?
If you did you notice a difference, power?, mpg?, sound? I am just looking for better engine response. Thanks
Appreciate 0
Quote