Suitable for: API GL-5 - MB-Approval 235.61 - ZFTE-ML 05C, 12D, 16G, 18, 21C - BMW LS Rear Axles - Recommended for Nissan GTR limited slip axles - SAE Class according to J306 pre 1998 Castrol TRANSMAX Limited Slip LL 75W-140, formulated with Smooth Drive Technology, is a fully synthetic hypoid gear oil formulated for use in both conventional and limited slip differentials. It has demonstrated outstanding performance in competition vehicles employing limited slip differentials. Approved for use in the high performance BMW-M Series and Mercedes Benz AMG limited slip differentials. Castrol TRANSMAX with Smooth Drive Technology has active control molecules that automatically adjust their friction level under changing pressures and speed, delivering a smoother drive for longer and enhanced protection. That’s why, 2 out of every 3 major vehicle manufacturers choose Castrol transmission fluids as part of their factory fill. Reduces noise and vibrations in the axle