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      01-29-2014, 08:49 AM   #3
The X Men
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Drives: 2013 X3 35i
Join Date: Mar 2012
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Quote:
Originally Posted by eROCK View Post
if the K&N makes a big difference on these engines, then I'll be willing to pay out of pocket for one. Usually they provide better throttle response, and a little better gas mileage.
Are you sure that's not from the fact that you are replacing a dirty filter with a clean one?
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