These springs offer increased spring pressure at high RPMs

Specifically engineered for the S58 platform

Each valve undergoes a rigorous 48-hour heat treatment and stress-relief process

carefully inspect and clean it for defects

transforming the performance of your E46 M3 or Z4M

CP Forged Piston Set, BMW S85 Bore Size:93 mm These springs offer increased springCP Carrillo represents the highest quality pistons on the market, engineered for maximum power and durability. Utilizing high strength, lightweight materials and advanced engineering, this BMW S85 piston set features: Lightweight Design: CP Carrillo pistons are made from high strength, lightweight materials, such as forged aluminum alloy. Reduced piston weight contributes to improved engine responsiveness and acceleration. Advanced Engineering: CP