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      03-13-2013, 10:23 PM   #75
Second Lieutenant

Drives: 2009 M3
Join Date: Aug 2011
Location: Pearland, TX

iTrader: (3)

Originally Posted by CanAutM3 View Post
Your 2009 MY is in the category that will get the most benefits from changing the filter (by getting rid of that charcoal liner). However, 2-5hp is not something you will obviously notice from the seat of the pants. But all the small improvements combined together do eventually add up.
Yup, I have no doubt that it is performing better than the stock filter, but like you said, difficult to feel a 1% gain in power. I have ordered other bolt-ons (test pipes & pulleys) and can't wait to have them all come together along with a tune. Then I should definitely feel a difference!

Last edited by coogs08; 03-13-2013 at 10:43 PM.