BMW / Toyota B58 Valve Springs by SuperTech

Supertech offers high-performance valve spring kits designed specifically for BMW and Toyota B58 engines, providing precise valve control and unmatched reliability. Each kit includes Supertech's premium valve springs, engineered for high RPMs and demanding conditions, ideal for performance enthusiasts and professional racing teams alike. Crafted from the finest materials, Supertech valve springs feature higher spring rates and greater durability than stock options. Engine builders and tuners rely on Supertech to maintain stability, prevent valve float, and optimize power output under extreme conditions. For those seeking a proven, high-quality solution to enhance the performance of their B58 engine, Supertech valve springs are a trusted choice for achieving reliable, peak performance.  Installation requires the expertise of an engine builder. BMW B58 Gen 1 Applications: 1 Series 2016-2019     F20/F21     M140i 2 Series 2016-2019     F22/F23     M240i 3 Series 2015-2019     F30/F31