Active Autowerke Underdrive Pulley Kit - E6x M5 / M6 (13-002) 18465 80mm double-walled tips

80mm double-walled tips

0 to 1/8 BSPT Adaptor - Suits Bosch Fluid Pressure and Temperature Sensor - Stainless Steel

and our ECU Upgrades for select vehicles

To preserve hood finish and maintain durability

Active Autowerke Underdrive Pulley Kit - E6x M5 / M6 (13-002) 18465 80mm double-walled tipsThe Active Autowerke Underdrive Pulley Kit for E6x M5 and M6 is designed to optimize power delivery by reducing parasitic drag on the BMW S65 V10 engine's accessory components that share the drive belt system. This kit modifies pulley drive ratios to reduce engine load from accessories such as air conditioning and power steering, thereby unlocking additional horsepower. Crafted from aircraft grade 6061 billet aluminum with a hard black anodized finish