Workshop Hints

Workshop Hints

Changing differential oil




Only change the oil when the differential has been warmed to operating temperature

Remove drain plug (1)
Remove filler plug (2)
Drain differential oil.
Re-insert drain plug with new sealing ring(1) and tighten to 70 Nm.

Add differential oil until overflowing from fill opening. (M3, M5 and 28 use SAF-XJ 83 22 1 470 080). M3 Approximate quantity 1.1 liters. M5 and Z8 Approximate quantity 1.4 liters.

Re-insert filler plug with new sealing ring and tighten to 70 Nm.

Changing Transmission Oil







Only change the oil when the transmission has been warmed to operating temperature.
Remove drain plug (1) and filler plug (2).
Drain transmission oil.
Re-insert drain plug (1) and tighten to 50 Nm.
Add transmission oil until overflowing from fill opening. (use MTF LTI 83 22 9 408 942). Approximate quantity 1.9 liters.
Re-insert filler plug and tighten to 50 Nm.