BMW M52TU / M54 Valve Spring Kit by Ferrea S54 Head Gasket They are designed to replace

They are designed to replace BMW part #11241730420

Proven in racing and high-power applications – track-tested durability and reliability

ALPINA N55 Applications:

4x 9mm Washers

and E34 M5 and M6 chassis

BMW M52TU / M54 Valve Spring Kit by Ferrea S54 Head Gasket They are designed to replaceUpgrade your BMW M52TU M54 engine with Ferrea high performance valve springs, engineered to address three critical challenges that can severely impact engine performance: binding, breakage, and valve float. Key Benefits of Ferrea Valve Springs: Combat Binding: Ferrea valve springs ensure valves open and close smoothly, preventing the risk of binding that can lead to significant engine damage. Prevent Breakage: With superior durability, these valve