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      09-02-2012, 10:57 PM   #9
miguex@ecuprogram
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Drives: 2010 X5 M
Join Date: Mar 2009
Location: Calgary, AB

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Quote:
Originally Posted by TahoeM3 View Post
He removed the charcoal filters and left the regular air filters in place. The charcoal filters are pretty restrictive, so removing them is probably good for 10-15 hp.
this! thank you. I ordered KN filters and they are on the way. Let see after they are installed.... I was told aftermarket filters are worthless comparing with OEM filters.
Appreciate 0