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03-04-2008, 06:39 PM
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#15
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Drives: 2011 E92 M3
Join Date: May 2006
Location: NORTHERN CALIFORNIA
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Quote:
Originally Posted by bradbilbie
Has anyone here fitted a Gruppe M air intake with K & N? Does it make much of a difference?
I thought I would take advantage of high exchange rate so I bought this. Apparently adds 10hp.
Looks pretty cool even though no one looks under there anyway
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adds 2 hp.
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stock car
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