BMW X1 Forum - View Single Post - Rear Diff Fluid

GoldenWest · 01-22-2024, 02:46 AM

Correction on your fluids; 70W/75W GL-4 Gear Oil is used for both the transfer case and rear HOC “Hang On Clutch.
In addition, BMW calls for 75W85 GL-5 in rear differentia; although I personally use 75W90 GL-5 as you spec’d above.

01-22-2024, 02:46 AM	#75
GoldenWest Enlisted Member 10 Rep 35 Posts Drives: F22 230i, ‘17 X1 Join Date: Feb 2023 Location: Oregon iTrader: (0)	Correction on your fluids; 70W/75W GL-4 Gear Oil is used for both the transfer case and rear HOC “Hang On Clutch. In addition, BMW calls for 75W85 GL-5 in rear differentia; although I personally use 75W90 GL-5 as you spec’d above.
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