Description
Free additional power to your M3/M5/M6’s rear wheels without sacrificing or compromising your BMW’s reliability.
Machined from 6061-T6 aerospace aluminum, Macht Schnell Performance Underdrive Pulley sets 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 & wear resistance.
Our DualDrive design replaces the Crank Accessory & Power Steering Pulleys, resulting in a 18-20 HP and 16-20ft. lbs TQ gain for the M5/M6 and a 9-14 HP and 7-9ft. lbs TQ gain for the M3. Gains are due to a reduction in power required to turn accessories; an increase in accessories lifespan due to lower speed will also result. All factory harmonics/balancing are undisturbed.
Macht Schnell Performance Underdrive Pulleys have no negative effect on accessory operation and come fully equipped with new belts.
Performance Underdrive Pulleys Features:
– DualDrive design allows maximum performance, with minor affect on accessory speed
– Proper cooling temperatures are retained at proper levels on or off the track
– Maintains proper alternator speed, allowing sustained levels to sensitive control modules
– Machined from 6061-T6 aerospace aluminum
– T3 Hard-Anodized for maximum strength and corrosion/wear resistance
– No affects to crankshaft dampening or harmonics
– Simple bolt-on installation
Models Supported
BMW E9X M3
BMW E60 M5
BMW E63/E64 M6
WARNING: May contain items that are found to have compounds and/or chemicals known to the State of California to cause cancer, birth defects, and reproductive harm.
For more info, please visit https://www.P65Warnings.ca.gov.
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