OS Giken SuperLock LSD, BMW E46 318i SCR5149 to ensure a rock-solid core

to ensure a rock-solid core

and resistance to extreme heat and pressure

oil feed block off

and consistent performance even under extreme conditions

4) 2007-2015

OS Giken SuperLock LSD, BMW E46 318i SCR5149 to ensure a rock-solid coreThe OS Giken SuperLock LSD features their patented pressure ring design, delivering smooth, progressive locking. Distinguished by a spline through side gear construction, OS Giken's design allows for the fitment of more friction plates (up to 2x as many as competing versions). Key Features: All components undergo chemical heat treatment for maximum durability Constructed from a high grade steel alloy, ensuring exceptional strength Gears are raw forged