Description
Always looking for new ways to add power, Dinan has developed this underdrive pulley. This pulley is a smaller diameter than stock, designed to eliminate parasitic drag from accessories by running them slower. Extensive hot weather testing has been completed to ensure there are no overheating issues.
- +11 HP @ 8400 RPM / +7 lb/ft @ 8400 RPM
- Eliminates parasitic drag from accessories
- Made from 6061 aircraft aluminum & black anodized
- Does not modify harmonic damper
- Extensively tested to ensure proper cooling system operation
- Worth 1 point toward your Dinan badge
For over 35 years, Dinan has been America's premier tuning company, pioneering advancements in BMW modification while retaining a focus on balanced performance that preserves the original character and driving feel that a BMW offers. When you install a Dinan part on your car, know that it's not only carefully developed and tested, but that Dinan stands behind it with a four year, 50,000-mile warranty. Dinan believes so fully in their “total package” approach that once your car has been fitted with enough of their parts, they celebrate your conversion from stock to Dinan with an exclusive trunk badge, displayed proudly by BMW enthusiasts everywhere.