11,000 RPM Valve Spring Kit for BMW S54

5150 AutoSport Pro-Xtreme Valve Springs for BMW S54 Engines

Maximize your engine’s potential with 5150 AutoSport Pro-Xtreme Valve Springs, designed for BMW S54 engines. Whether you're building for high-revving street performance or all-out racing, these valve springs are built to handle engine speeds of up to 11,000 RPM with confidence. Available as a full kit—including valve springs, seats, and steel retainers—or springs only, giving you the flexibility to match your setup for optimal performance and reliability.

Designed for Peak RPM Performance

Proven in our very own shop E46 M3 turbo build, these valve springs effortlessly spun to 9,500 RPM under heavy load without skipping a beat. Perfect for high-lift cams and aggressive tunes, our 5150 AutoSport Pro-Xtreme Valve Springs deliver flawless valve control, preventing float even at extreme RPMs.

Precision-Engineered for High-Performance Builds

These springs are carefully designed to handle the demands of track-focused applications, forced induction setups, and naturally aspirated builds tuned for high RPMs. They offer consistent performance, ensuring your engine runs smoothly under extreme conditions, whether you're racing on the track or pushing your limits on the street.

Note: Installation requires the expertise of a professional engine builder.

Key Features:

• Available for 6mm valves
• Capable of supporting engine speeds up to 11,000 RPM
• Tested and proven to handle 9,500 RPM in our shop E46 M3 turbo build
• Ideal for use with high-lift camshafts and aggressive tuning
• Engineered for BMW S54 engines

BMW S54 Applications:

BMW 3 Series

2000-2006     E46     M3

BMW Z3 Series

2001-2002     Z3     M

BMW Z4 Series

2006-2008     Z4     M