BMW B46 Valve Springs by SuperTech Seat Pressure:84 lbs - 2015-18 BMW F80 M3

- 2015-18 BMW F80 M3 S55 3

For higher RPM builds and increased durability

and establish a baseline for implementing performance modifications accurately

Avionics-quality hard chrome plating for better heat and wear resistance

and high-performance street builds

BMW B46 Valve Springs by SuperTech Seat Pressure:84 lbs - 2015-18 BMW F80 M3Supertech Valve Springs for the BMW B46 engine are engineered for high performance builds that demand reliable valvetrain control at high RPMs. Whether you're chasing power on the street or building for track duty, these springs are designed to reduce valve float, improve stability, and maintain precise valve operation under extreme conditions. Developed with advanced materials and exacting tolerances, Supertech valve springs offer significantly