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Old 01-06-2013, 12:27 PM
Rotrex328i Rotrex328i is offline
99 328i Rotrex Charger
Location: pelham nh
Join Date: Jan 2013
Posts: 1
Mein Auto: 1999 328i e46
Rotrex Supercharger 328i Questions

I just picked up the Rotrex supercharger kit with the c38-81 supercharger on it. I wanted to know what are some of the best modification I am ordering the Stage 2 upgrade to it tomorrow so that comes with a retune a bigger pulley and front mount.

they guy told me that i should do all the modifications before i get my car retuned because once i add something i will have to tune it again and as you guys know that **** ain't cheap.

So whats the Best Mods to Go with the Kit?? I am New to BMW But have build ALOT of other cars. Please let me know what my Best bet will be. my goal is to make about 400 rwhp
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