Why Upgrade Your S55 Crank Hub

Moisture Protection: Precision lower boot design prevents moisture entry

with configurable trip and resettable fuse parameters

and custom setups

which uses this data to make precise adjustments to the cam timing

BMW S55 Connecting Rod Bolts by ARP S52 Head Gasket Why Upgrade Your S55 CrankMaximize the strength and reliability of your BMW S55 connecting rods with ARP Connecting Rod Boltsthe industry standard for high performance fasteners. Manufactured in the USA by Automotive Racing Products (ARP), these bolts surpass OEM specifications, ensuring superior durability and resistance to stretch under extreme loads. Why ARP Rod Bolts? Unmatched Tensile Strength Designed to handle extreme cylinder pressures and high RPMs, reducing the risk