installed aFe magnum force stage 2 intake on 328
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10-19-2012, 02:01 PM
Drives: Alpine White 2011 M3 Coupe
Join Date: Mar 2011
Originally Posted by
I have an OBD reader that can tell you the Mass airflow rate if you want to see if theres actually a difference
This should give close gains to the BMW Performance version. I would be surprised if it doesn't.
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