Active Autowerke E9X BMW M3 Signature Pulley System | MotorworldHype

Active Autowerke E9X BMW M3 Signature Pulley System

The guys at Active Autowerke are still hard at, well, “werke” developing new performance bits for the E90 series BMW M3.  Newest on the list is a billet pulley system that will add an extra 10 horses.  The cool thing is that since its a billet pulley it will hold its own for a long time.  An extra 10 horses on an M3 for just under $500 is more than worth it!

   

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