31 50... Changing Front Differential Oil

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW 535xi, 2010 BMW 528xi, 2009 BMW 535xi, 2009 BMW 528xi, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Use only the approved front differential oil in this front differential.
Failure to comply with this requirement will result in serious damage to the differential!

NOTE: Only change oil when front differential is at normal operating temperature.

Necessary preliminary tasks:

Remove reinforcement plate

Checking/correcting front differential oil level:

Undo oil filler plug (1).

Check front differential oil level.

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

Installation:

Replace sealing ring.

Tightening torque 31 50 8AZ .

Fig 1: Identifying Oil Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Changing front differential oil:

Place oil collecting apparatus underneath.

Remove oil drain plug (1).

Drain front differential oil.

Replace sealing ring, screw in oil drain plug (1) and tighten down.

Tightening torque 31 50 8AZ .

Undo oil filler plug (2).

Pour in front differential oil up to lower edge of opening for oil filler plug (2).

Fig 2: Identifying Oil Filler Plug And Oil Drain Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace sealing ring.

Tightening torque 31 50 8AZ .