Ferrea E11128 Titanium Valve Spring Retainer BMW - E46 S54

The Ferrea E11128 is a precision CNC-machined titanium valve spring retainer designed specifically for BMW E46 3.2L S54 engines (2001-2006). This high-performance retainer is part of Ferrea's Pro CNC Series and is manufactured from aerospace-quality titanium alloy with full heat treatment to ensure exact tolerances and exceptional durability.

Key Features:

• CNC-machined from aerospace-grade titanium alloy for superior strength-to-weight ratio
• Fully heat-treated and finished to exact tolerances for consistent performance
• Designed for use with Ferrea S10156 dual valve spring system
• Requires Ferrea SL1141 seat locator (factory spring seat locator must be discarded)
• Compatible with BMW E46 S54 DOHC 24-valve engines
• Reduces reciprocating valvetrain mass for improved high-RPM performance

Ferrea Racing Components are engineered using the latest technological advances developed through professional motorsports programs including Formula 1, IndyCar, NASCAR, and road racing teams. These titanium retainers provide the reliability and precision required for high-performance and racing applications.