(3 to 4 capfuls) per quart for small cooling systems

It's an ideal choice for individuals who want to push the limits of their S68 builds

G26 M440i xDrive Gran Coupe

and configurability needed for modern performance builds

B38 Valve Springs | SuperTech | BMW MINI B38 Athena (3 to 4 capfuls) perUpgrade your BMW MINI B38 engine with the SuperTech B38 Valve Springs, engineered for high performance and high RPM reliability. Designed specifically for the B38 platform, these valve springs provide precise valve control under extreme conditions, making them the go to choice for tuners, racers, and serious enthusiasts. SuperTech valve springs are crafted from premium materials and deliver higher spring rates than factory components, ensuring maximum