Product Description
BMW Titanium Retainer Set - Supertech RET-BMN54-TE-12
Supertech Titanium Retainers are designed for high-revving and high-stress racing or performance applications. Manufactured from high-grade titanium alloy, these retainers deliver outstanding strength while reducing valvetrain weight — enabling quicker engine response and improved reliability at high RPM.
Each retainer is CNC machined to precise tolerances and engineered to pair seamlessly with Supertech valve springs and keepers. Ideal for turbocharged, naturally aspirated, or nitrous setups, they help maintain valve control and prevent valve float under extreme conditions.
This set includes an individual Titanium Retainer(s), optimized for a BMW S63B44 valvetrain using premium lightweight construction and race-proven engineering.
Features:
- High-strength, lightweight titanium alloy construction
- CNC machined for consistent fit and finish
- Compatible with Supertech valve springs and locks
- Reduces valvetrain mass for improved high-RPM stability
- Designed for a BMW S63B44 performance build
Benefits:
- Increased engine response and RPM ceiling
- Improved valve control and longevity
- Reduced risk of valve float and failure under stress
- Ideal for performance street or competition use

Located in San Jose, California in the heart of Silicon Valley, Supertech was born from the same fertile ground as many other companies in this area utilizingcutting edge technology to fuel growth.
Supertech fuses this technology with passionate people and over 30 years of experience in creating the highest performance valves and valve train components available.
Supertech provides the racing market with superior valves and valve train components for virtually every type of racing. Whether it’s Drag Racing, Rally, Road Racing or any other type of motorsport, Supertech is sure to have the perfect performance solution for your application. If not, we are always willing to work with you to custom manufacture the solution that is just right for you.