Turner Motorsport Power Pulleys for the BMW E9X M3
The biggest drawback with belt-driven accessory systems is that it takes precious horsepower to turn them. Turner Motorsport method of regaining some of the power lost to the parasitic drag effect is to underdrive the system.
Turner Power Pulleys remove parasitic loss allowing for faster revs off the line. These are designed to be stronger, lighter, and to look similar to the factory parts. These are designed in T-6061 aluminum finish, hard anodized coating black coating for lightweight and good looks.
Put the power down
Fits: BMW
E9X M3 (2008-2013)
Adds up to 10-14hp and 7-9ft/lbs torque on a stock M3 | For vehicles with production date up to 04/2008
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Ships on Jun 30, 2026
Adds up to 10-14hp and 7-9ft/lbs torque on a stock M3