BMW S38 Valves by SuperTech

Engineered for the legendary BMW S38 inline-six, the SuperTech High-Performance Valve Kit delivers the durability, reliability, and airflow needed for high-output applications. Designed to withstand high RPM, extreme temperatures, and intense performance demands, these valves are the ideal upgrade for E28 M5, E34 M5, and E24 M6 builds.

Trusted by top engine builders, SuperTech’s precision-engineered valves optimize airflow, enhancing horsepower, throttle response, and engine efficiency. Whether you're building a race, track, or high-performance street S38, these valves provide the strength and reliability necessary to push limits without compromise.

Key Features:

• Designed for BMW S38 Engines – Precision fit for E28 M5, E34 M5, and E24 M6.
• Enhanced Airflow & Power – Optimized for high-performance gains.
• High RPM & Heat Resistance – Built to handle extreme conditions.
• Ideal for Racing & Street Performance – Reliable under intense loads.
• Trusted by Engine Builders – Proven performance with SuperTech quality.

Upgrade your BMW S38 engine with SuperTech’s high-performance valves and experience maximum power, durability, and efficiency.

Standard Size is 37 mm Intake, 32 mm Exhaust

Kit Contents:

• (12) Black Nitride Intake Valves 
• (12) Inconnel Exhaust Valves 

BMW S38B35 Applications:

BMW 5 Series

1985-1987     E28     M5 [European Market]
1987-1988     E28     M5 [American Market]

BMW 6 Series

1984-1989     E24     M635CSi [European Market]
1987-1989     E24     M6 [American Market]

BMW S38B36 Applications:

BMW 5 Series

1988-1992     E34     M5

BMW S38B38 Applications:

BMW 5 Series

1992-1995     E34     M5 [European Market]