Febi Bilstein 32590 differential / manual transmission gear oil, GL-5 specification, 75W-90 viscosity grade. 1-litre bottle. API GL-5 hypoid gear oil engineered for high-load differential and final-drive applications — provides extreme-pressure (EP) protection for gear teeth under heavy torque loading. Yellow-coloured for easy identification when checking levels. Suitable for BMW X3 F25 rear differential and other applications requiring GL-5 specification gear oil. Carries multiple OEM approvals including Ford WSD-M2C200-C, LR TYK500010, VW G 052 911 A2, VW G 052 145 A1/A2/S2, and VW 501 50.