OS Giken SuperLock LSD, BMW E24

OS Giken SuperLock LSD for BMW E24 M635i / M635CSi / M6 – Precision Limited Slip Differential Upgrade

Upgrade your BMW E24’s rear differential with the OS Giken SuperLock LSD—engineered for performance, reliability, and daily drivability. Compatible with the BMW M635i, M635CSi, and M6, this advanced limited slip differential features OS Giken’s patented pressure ring system and spline-through-side-gear design, which allows for up to twice the number of friction plates compared to standard LSDs. The result is smooth, quiet, and consistent power transfer—ideal for street, track, or spirited weekend driving.

Key Features:

• Patented pressure ring design ensures smooth, progressive lockup
• Spline-through-side-gear construction increases friction plate count for superior performance
• Low preload + 100% locking capability = excellent street manners with aggressive traction under load
• All components chemically heat-treated for extreme durability
• High-grade forged steel gears for maximum strength
• Dual-sided precision-machined clutch plates prevent warping
• Billet-machined differential case ensures long-term reliability and fitment precision

Whether you’re replacing a worn-out open diff or upgrading for better traction and control, the OS Giken SuperLock LSD transforms how your classic BMW E24 handles corners, acceleration, and varying road conditions.

Technical Specifications:

• Ramp Angles: 25 / 35
• Lock Timing: 336
• Friction Plates: 20
• Preload: 10S

Applications:

• E24 M635i Manual
• E24 M635CSi
• E24 M6

Installation Notes:
Consult your OEM service manual for proper installation. Professional installation recommended.