Thread: Oe tune m3
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      11-28-2012, 05:11 PM   #9
FogCityM3
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Drives: M3 (E90)
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Yeah, interestingly the major German tuners (G-Power, AC Schnitzer, PP-Performance, Hamann) claim that gains from tune-only on stock M3 are approximately 20-30 PS to the crank depending on the company (Euro calculated HP), corroborating to US tuning companies' observed 15-20 whp or 17-25 hp crank (US Calc HP) when normalizing for drivetrain losses. Doesn't seem like there are any outliers from any part of the world!

Quote:
Originally Posted by alpine335i View Post
All the tunes are pretty much the same, go with which ever is easiest for you. The fanboys/haters will post shortly and tell you what you should get if you can't decide.
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