27 00 ... Topping up/changing transfer case oil

WARNING: This page is about a different car, the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, and 2007 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

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

NOTE: Only change the oil when the transfer box is at normal operating temperature.

Checking/correcting transfer case oil level:

Undo oil filler plug (1).

Check transfer case oil level.

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

Installation:

Tightening torque: 27 00 11AZ, see 27 00 TRANSFER BOX IN GENERAL .

Replace sealing ring.

Place oil collecting apparatus underneath.

Fig 1: Oil Filler Plug And Oil Drain Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Remove oil drain plug (2).

Drain and dispose of gear oil.

NOTE: Observe country-specific waste-disposal regulations

Replace sealing ring, screw in oil drain plug (2) and tighten down.

Tightening torque: 27 00 11AZ, see 27 00 TRANSFER BOX IN GENERAL .

Undo oil filler plug (1).

Pour in gear oil up to lower edge of opening for oil filler plug (1).

Tightening torque: 27 00 11AZ, see 27 00 TRANSFER BOX IN GENERAL .

Replace sealing ring.