BMW N55 / S55 Valve Spring Kit by Ferrea

For BMW N55 and S55 owners seeking high performance valve springs, Ferrea offers an expertly engineered solution designed to eliminate common issues like binding, breakage, and valve float—critical factors that can compromise engine performance. Ferrea valve springs are specifically crafted for high-lift and high-RPM applications, providing enhanced stability and reducing load loss. Ferrea springs undergo meticulous heat treatment and stress relief to ensure long-lasting performance, making them ideal for serious racers and high-performance builds. Engine binding, breakage, and valve float are common issues that can lead to severe engine damage, but Ferrea’s high-quality springs are engineered to combat these challenges effectively. Engine binding occurs when valves fail to open or close properly, risking severe damage. Valve breakage can lead to catastrophic failures if a valve drops into the combustion chamber, while valve float—often caused by inadequate spring rates—results in powe