Macht Schnell Performance Underdrive PulleysFree additional power to your M3 M5 M6s rear wheels without sacrificing or compromising your BMWs reliability. Machined from 6061 T6 aerospace aluminum, Macht Schnell Performance Underdrive Pulleys are strong as well as lightweight to limit parasitic drag from the accessories within a moderate level for maximum performance on or off the track. After machining and engraving, pulleys are then T3 hard anodized for additional strength, anti corrosion &

The FCAB's were a different story

weight (each) German-made

All E46 3-series including M3*

- Compatible with iDrive and non-iDrive systems

Four (4) 303 Stainless Steel Washers (2 required per mount)

it reduces deflection significantly

a 41" long high quality -6AN PTFE (Teflon) replacement fuel feed hose is included which connects to the OEM BMW fuel pressure regulator as shown below

Note: Pistons are designed for stock engine bore diameter

This results in excessive backpressure and excessive heat

Replacement TPMS sensors from your local dealer can be in excess of $300USD/set with the lithium batteries mounted in the sensors with a 5-6 year shelf life

2005-2007 C55 AMG

Follow factory recommended wheel bolt torque