BMW USA has released a new line of official performance parts in an attempt to grab a piece of the aftermarket action. Among other things, BMW’s list includes cross drilled brake rotors, an engine kit for the 330i that gives an extra 10 Hp, a quick gear shift kit and a sport suspension package. Initially, the performance components will be available for all 3 Series variants and the Z4 Roadster and Coupe models.
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