aFe Billet Aluminum Crank Power Pulley Kit | BMW M3 (E90/92/93) (09-12) V8 4.0L (79-10002) YMM_universal Its corrosion-resistant finish protects against

Its corrosion-resistant finish protects against environmental elements

and E84 models

it provides a reliable solution for upgrading your BMW's suspension system

Installation involves replacing the factory springs and may require alignment adjustments

Whether you're commuting or enjoying spirited drives

aFe Billet Aluminum Crank Power Pulley Kit | BMW M3 (E90/92/93) (09-12) V8 4.0L (79-10002) YMM_universal Its corrosion-resistant finish protects againstPower Pulley by aFe. Free up some hidden horsepower with the aFe Power Pulley! The Power Pulley replaces your factory crankshaft pulley. It underdrives your engine's accessories to reduce the parasitic loss, increasing horsepower to the rear wheels without any loss of vehicle functionality. It comes complete with new belts and all the necessary hardware. The engineers at aFe are not only skilled at making products that enable your engine to make more