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Old 12-08-2012, 09:00 AM   #4
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Join Date: Aug 2009
Location: Ontario Canada
Posts: 966
My Ride: 1999 328i (M54b30)
I think porting could really tie together a bunch of performance mods in these cars. ie. Cams, headers, intake, exhaust. But, it would have to be so subtle. I think most of it would come from slight radius changes, de-shrouding valves and a multi angle valve job. You'd really need a spare head, a flow bench, a lot of experience and a Serdi machine or equivalent.

Last edited by jared_wiesner; 12-08-2012 at 09:02 AM.
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