Description
OS Giken SuperLock LSD for BMW Z3 M – Precision Limited Slip Differential Upgrade
Enhance the performance and drivability of your BMW Z3 M with the OS Giken SuperLock LSD—a track-proven limited slip differential engineered for smooth, predictable engagement and superior traction under load.
This advanced LSD features OS Giken’s patented pressure ring system and spline-through-side-gear design, allowing up to twice the number of friction plates compared to standard differentials. That means quieter operation, stronger lock-up, and extended durability in both street and motorsport applications.
Perfect for spirited driving, track use, or replacing a worn factory LSD, the OS Giken SuperLock delivers a full 100% progressive lock without compromising daily drivability.
Key Features:
- Patented pressure ring design for progressive and responsive locking
- Spline-through-gear construction allows for increased friction plate count
- Low preload with 100% lock capability for ideal balance of comfort and performance
- All components chemically heat-treated for long-term strength
- Built from high-grade forged steel for unmatched durability
- Clutch discs precision-machined on both sides to reduce warpage and maintain consistency
- Billet-machined LSD case for structural uniformity and precise fitment
US Model Technical Specifications:
- Ramp Angles: 25 / 38
- Lock Timing: 336
- Total Friction Plates: 20
- Preload: 10S
EURO Model Technical Specifications:
- Ramps – 25 / 35
- Lock Timing – 336
- Total Plates – 20
- Preload – 10S
Vehicle Fitment:
- BMW Z3 M Coupe
- BMW Z3 M Roadster
Installation Notes:
Refer to the OEM BMW service manual. Professional installation is recommended to ensure proper fit and performance.
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