Replenishing Rear Differential Oil

WARNING: This page is about a different car, the 2003 BMW X5 and 2002 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Undo oil filler plug (1).

Check rear differential oil level.

If necessary, pour in rear differential oil up to lower edge of opening for oil filler plug (1).

Fig 1: Locating Rear Differential Oil Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Installation :

Oil filler plug with sealing ring: Replace sealing ring (1).
Tightening torque - 65 Nm.
Oil filler plug with O-ring: Replace oil filler plug (2).

Tightening torque - 60 Nm.

Fig 2: Replacing Oil Filler Plug And Sealing Ring

Courtesy of BMW OF NORTH AMERICA, INC.