X3 Series

1mm  Valve Lift  Application  257° Intake / 250° Exhaust   10

11 12 8 088 729

G22 / G23 430i xDrive

Upgrading to high-performance valve springs is crucial for any serious racing engine

BMW N55 / S55 Valves by Ferrea Options:Triple Groove - 32mm Intake / 28mm Exhaust X3 SeriesFerrea Competition Plus Valves are celebrated for their extreme duty performance and industry leading reliability. Designed specifically for the BMW N55 and S55 engines, these valves are crafted from aerospace grade alloys like EV8 Z18, delivering superior tensile strength and exceptional durability for high performance applications. Ferrea's two step slow forging process ensures optimal grain flow and minimizes internal stress, providing unmatched