FERREA E11153 Exhaust Valve Spring Retainer TI RET 6mm (Titanium) for BMW M2 (G87) / BMW M3 (G80) / BMW M4 (G82 / G83) / BMW X3 M (F97) / BMW X4 M (F98)

Description FERREA E11153 Exhaust Valve Spring Retainer TI RET 6mm (Titanium) for BMW M2 (G87) / BMW M3 (G80) / BMW M4 (G82 / G83) / BMW X3 M (F97) / BMW X4 M (F98)

The FERREA E11153 titanium exhaust valve spring retainer is designed for the BMW S58 engine used across modern M models. Its lightweight titanium construction reduces valvetrain mass and enhances stability under high RPM and elevated temperature conditions typical of performance and track environments.

• Titanium construction for reduced inertia and improved valvetrain response
• Designed specifically for exhaust valve spring assemblies in BMW S58 engines
• Provides stable spring control during high-load and high-temperature operation
• Suitable for performance, tuning, and motorsport applications