ARP Main Stud Kit for BMW E46 M3/S54

ARP Main Stud Kit for BMW E46 M3 / S54 Maximize durability and reliability for your BMW E46 M3 S54 engine with the precision-engineered ARP Main Stud Kit. Built from heat-treated ARP 2000 alloy, these studs deliver superior clamping force, fatigue resistance, and corrosion protection compared to OEM fasteners. Direct Fit: Engineered specifically for BMW E46 M3 (S54) — no modification required. High-Strength Material: ARP 2000 alloy for exceptional tensile strength and proven longevity. Improved Performance: Enhanced crankshaft stability at high RPMs for track and street applications. Complete Kit: Full set of main studs plus hardened washers for correct, reliable installation. Recommended Installation: Use ARP assembly lubricant and specified torque values to achieve proper clamp load. Ideal for builders and tuners preparing an S54 for increased power, extended high-RPM operation, or endurance use. This kit helps reduce main cap walk, preserve bearing clearances, and protect the bottom end under demanding driving conditions. Invest in ARP quality to reinforce your E46 M3 engine and ensure consistent performance season after season.