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aFe Power crank power pulley kit for BMW M3 (E90/92/93) 2007–2008.5 with the S65 4.0L V8. This bolt-on system includes a CNC billet aluminum pulley, bolts and belts, black anodized for a clean appearance. The pulley is designed to reduce parasitic drag on accessories without altering factory harmonics or dampening, providing a straightforward under-hood upgrade that preserves OEM behavior while offering lightweight construction and a limited warranty.
aFe Power Gamma Pulley GMA Power Pulley BMW M3 (E90/92/93) 07-08.5 V8-4.0L
