Burkhart Engineering Performance Underdrive Pulley Set (E9X M3)
$65.34
$80.37
Burkhart Engineering Performance Underdrive Pulley Set for the BMW S65 engine, as found in the E90/E92/E93 M3. Two versions available, see diagram before ordering. The leftmost corresponds to version one and the rightmost to version two. You will need to select the version that matches your accessory drive. Claimed increase of 9-14bhp. CNC-machined from 6061-T6 aluminium, includes belt.
