Thread: Dinan Stage 2
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      01-24-2013, 10:33 AM   #7
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Drives: 01 M Coupe, 08 135i, '12 328i
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Originally Posted by Jimbagley View Post
So will other tunes oscillate?
Not good ones. If drivability is a top priority, the GIAC is the smoothest and most factory like in my experience.
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