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      06-23-2014, 11:36 AM   #7
badblack550xi
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Drives: F10 550i 2011 F90 2020 COMP
Join Date: May 2013
Location: NJ

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Quote:
Originally Posted by combatbmw View Post
450 for airfilter?
it sounds crazy but to make it you need stock filters.... K&N filters... cutting out stock filter... putting in K&N filters... then $100 per 16oz heat resistant putty... +my time and there comes price tag of $450.
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