E46Fanatics - View Single Post - hpf stage 4 or s/c e9x
View Single Post
Old 07-18-2010, 09:41 PM   #12
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.
fredwlau is offline   Reply With Quote