aFe Powers new power pulley brings performance engineering to your BMW. This power pulley is a complete bolt-on kit, including the pulley, bolts, and belts. aFes power pulleys are CNC machined out of billet aluminum and black anodized for that aggressive look under the hood.

This power pulley does not modify factory harmonics or dampening. When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.

Features and Benefits:

• Complete Bolt On System
• Reduces Drag On Accessories
• Does Not Modify Factory Harmonics/Dampening
• Lighter Than Stock
• CNC Billet Aluminum
• Black Anodized
• 2 Year Limited Warranty

Details:

• Emission Code: 4
• Engine Designation: S65B40A
• Fuel Type: Gas
• Horse Power Increase: 10
• Liter: 4.0 Liter
• Torque Increase: 7 ft-lbs
• Warranty: 2 Year

Applications:

• BMW M3 (E90/92/93) 08-08.5 V8-4.0L S65