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Anyway if you install most of these tune bmw will void your warranty so they shouldn`t be afraid of people tuning there M2 to M4 specs if they both go on sale with the same engine. Can't beleive they want to go with a 4cyl to save what 70lbs??? Just install a CF roof,hood and trunk and we will get back those 70lbs and we will have the possibility to drive a car with an engine that worth listen to.
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