FERREA E11154 Intake Valve Spring Retainer TI RET 5mm (Titanium) for BMW M2 (G87) / BMW M3 (G80) / BMW M4 (G82 / G83) / BMW X3 M (F97) / BMW X4 M (F98)

Description FERREA E11154 Intake Valve Spring Retainer TI RET 5mm (Titanium) for BMW M2 (G87) / BMW M3 (G80) / BMW M4 (G82 / G83) / BMW X3 M (F97) / BMW X4 M (F98)

The FERREA E11154 titanium intake valve spring retainer is developed for the BMW S58 engine used in modern M models. Its lightweight titanium construction reduces valvetrain inertia, improving stability and control at high engine speeds and under elevated thermal loads.

• Titanium construction for reduced mass and enhanced valvetrain response
• Designed specifically for intake valve spring assemblies in BMW S58 engines
• Supports stable operation during high-RPM and high-temperature conditions
• Suitable for performance tuning and motorsport-focused applications