BMW M3 Dinan Underdrive Pulley E9x w/Steve Dinan

03/18/2010
10 min read

BMW M3 Dinan Underdrive Pulley E9x w/Steve Dinan

03/18/2010
10 min read

Dinan's lightweight crankshaft pulley is constructed of Aircraft grade billet 6061 aluminum that is anodized black and engraved. It does not modify factory harmonics or dampening and safely underdrives the belt driven water pump, alternator, AC and power steering to reduce parasitic power loss on the M3 engine. It produces a peak gain of + 11 horsepower @ 8400 rpm and + 7 lb-ft torque @ 8400 rpm on a stock car.

Founded in 1979, Dinan is well established as North America's premiere BMW tuner. Dinan develops, manufactures and markets a comprehensive line of high performance products and systems, distributed through a nationwide network of Authorized Dinan BMW Performance Centers that includes select BMW Dealerships and Independent BMW Service/High Performance facilities.

Dinan offers a broad range of BMW performance products from engine, driveline and chassis tuning components to complete Dinan Signature Vehicles and special Factory Works programs. As a serious BMW Tuner, Dinan's objective is to offer complete performance solutions for the entire range of BMW models. We believe that every BMW driver deserves the opportunity to get the most from their car. From faster acceleration to improved cornering capabilites and stopping power, Dinan takes the guess-work out of creating the high performance BMW of the enthusiasts dreams with compete, balanced performance systems.

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