offering high-quality performance cams and valvetrain components that combined quality and weight savings for turbo sport compact engines

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2003-2006     E83     X3 3

BMW     G11     740i     B58 3

The rotor used is your standard E46 M3 328 x 20 mm rear rotor

BMW N54 Crank Hub by 5150 AutoSport FW-795-K-TDA offering high-quality performance cams andThe BMW N54 Engine's Crank Hub is a critical component, linking the crankshaft, water pump, power steering pump, and alternator. OEM hub failure occurs as the crank hub separates from the crankshaft, spinning independently of the crankshaft. This failure is not only well known among technicians and enthusiasts, but a catastrophic failure, causing severe engine damage. The Problem OEM Failure is mainly due to the design of the crank hub assembly; the