Active Autowerke Replacement Double Sided Pulley Kit Belt - E9X M3 2008+ (13-007) 1871 This setup does not spike

This setup does not spike torque hard or run on the edge of what the factory rods and pistons have been known to handle

Truhart Camber Kits are designed with premium materials and quality in mind

the new LoadLifter 7500 XL kit from Air Lift will make towing and hauling with your GM 2500HD/3500 (2WD and 4WD) a breeze

Painted Matte Black - Can Also Be Painted

Engineered to fit universal water methanol injection systems

Active Autowerke Replacement Double Sided Pulley Kit Belt - E9X M3 2008+ (13-007) 1871 This setup does not spikeReplacement double sided pulley kit belt designed specifically for the Active Autowerke E9X M3 Power Pulley Kit (2008+). Confirms if your V8 M3 uses a double sided or single sided pulley belt through visual inspection. Single sided belts have one smooth side and one grooved side, typical for 2007 models or those produced up to May 2008. Double sided PK belts feature grooves on both sides and are used on production models from June 2008 onwards. Fits