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Old 07-18-2010, 09:41 PM   #12
fredwlau
Registered User
 
Join Date: Jul 2010
Location: Pennsylvania
Posts: 22
My Ride: E90 335i
Good to know others have been in the same situation as I, it's been on my mind for the last month or so.

How notable is the performance increase from 2.5 to 3 or 4?

I really appreciate all the input guys.
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