2012-17 BMW F22 M235i / M235ix

06/2018 —  G15

- Double VANOS: BMW's variable valve timing system

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BMW M20 Valve Springs by SuperTech 79 Series 2012-17 BMW F22 M235i /Supertechs high performance valve springs for BMW M20 engines (including M20B20, M20B23, M20B25, and M20B27) are designed for serious engine builders and high performance enthusiasts who demand extreme durability at high RPM. Made from Superclean Chrome Silicon Vanadium Steel alloy, these valve springs deliver top tier strength, exceptional structural memory, and extended longevity, even in intense racing conditions. Engineered with computer aided