Description

Dinan's lightweight billet aluminum crankshaft pulley underdrives each of the accessories by 13 percent, reducing parasitic drag on the engine for a 6 HP @ 8000 RPM and 4 lb-ft torque @ 8000 RPM gain on a stock vehicle. The Dinan underdrive pulley retains the factory harmonic crankshaft damper, eliminating vibration that might otherwise damage the crankshaft.

The kit includes all of the necessary mounting hardware, lightweight pulley, and shorter belts. This product is backed by our industry-leading 4 year/50,000 mile warranty so you can rest assured that you are purchasing the best quality product for your BMW.

Features

  • All accessories are underdriven by 13% to decrease drag on the engine.
  • Lightweight billet aluminum crankshaft pulley, black anodized and engraved.
  • Includes mounting hardware and shorter belts.

Specifications

BrandDinan
Dinan Point Value1
Emission Code5
Height4
Labor Time (Hours)2
Length6
Max HP Gain6 @ 8000 RPM
Max Torque (lb-ft) Gain4 @ 8000 RPM
Product TypePulley Kit
Weight2
Width6

Compatibility

  • 2006 - 2010 BMW M5 Base Sedan 5.0
  • 2006 - 2006 BMW M6 Base Coupe 5.0
  • 2007 - 2010 BMW M6 Base Convertible 5.0

Dinan's lightweight billet aluminum crankshaft pulley underdrives each of the accessories by 13 percent, reducing parasitic drag on the engine for a 6 HP @ 8000 RPM and 4 lb-ft torque @ 8000 RPM gain on a stock vehicle. The Dinan underdrive pulley retains the factory harmonic crankshaft damper, eliminating vibration that might otherwise damage the crankshaft.

The kit includes all of the necessary mounting hardware, lightweight pulley, and shorter belts. This product is backed by our industry-leading 4 year/50,000 mile warranty so you can rest assured that you are purchasing the best quality product for your BMW.

Features

  • All accessories are underdriven by 13% to decrease drag on the engine.
  • Lightweight billet aluminum crankshaft pulley, black anodized and engraved.
  • Includes mounting hardware and shorter belts.
BrandDinan
Dinan Point Value1
Emission Code5
Height4
Labor Time (Hours)2
Length6
Max HP Gain6 @ 8000 RPM
Max Torque (lb-ft) Gain4 @ 8000 RPM
Product TypePulley Kit
Weight2
Width6
  • 2006 - 2010 BMW M5 Base Sedan 5.0
  • 2006 - 2006 BMW M6 Base Coupe 5.0
  • 2007 - 2010 BMW M6 Base Convertible 5.0

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