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      12-16-2012, 04:59 PM   #7
M3GTC
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Drives: BMW e92 M3
Join Date: Aug 2012
Location: SoCal

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2009 BMW M3  [5.00]
Quote:
Originally Posted by JoshuaWong1989 View Post
Just curious about actual gains, I currently have a Dinan tune.
I was looking into the turner motorsport tune and they claim a 40hp gain!
I switched over from Dinan tune and its a huge improvement.

The turner motorsport tune is stage 2 which means for those gains you need to run their test pipe which is a 28hp gain by itself and no tune
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