BMW E9X M3 Power Pulley KIT by BMW Tuner, Active Autowerke f2x Adjustments were made specifically to

Adjustments were made specifically to the part throttle settings delivering a crisper/smoother shifts for an improved driving experience

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Up to 120whp Horspower gains throughout RPM range

All supercharger systems must be installed by an approved Active Autowerke dealer to sustain all warranties

A tuned chip will be provicded for easy install

BMW E9X M3 Power Pulley KIT by BMW Tuner, Active Autowerke f2x Adjustments were made specifically toThis is a complete bolt on kit engineered for BMW Performance tuning. Uses aircraft grade billet 6061 Hard Coat Anodized Aluminum for the strength and durability. The BMW S65 V8 engine as used in the BMW E9X M3 does not make available all of the horsepower that the engine actually produces. This Power Pulley KIT through a redesign of the crankshaft outer pulley, actually releases this developed and available horsepower. This performance product is