3.0I to 3.0SI manifold convertion "DIY" with pics!!!!
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11-22-2010, 04:19 AM
Turd in the Punch Bowl
Drives: 2007 Z4 3.0i /// 2008 M Coupe
Join Date: Aug 2010
Location: North Carolina
C... How is it running right now with the stock 3.0i tune? Any noticeable differences? Idle, torque, engine note... etc... How hard was the install?
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