So, I fitted this today, open air filter on my 335d!
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09-18-2012, 04:23 AM
Drives: 335D M3
Join Date: Nov 2011
And it's now a k&n filter meant for a 4.2 Audi s5 v8 so power handling should be ok and neck size closer.
Last edited by NJ 1161; 09-18-2012 at
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