27 00 ... Replenishing /Changing Transfer Case Oil (ATC 700)

WARNING: This page is about a different car, the 2010 BMW X5, 2009 BMW X5, 2008 BMW X5, and 2007 BMW X5. 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 case.
Failure to comply with this requirement will result in serious damage to the transfer case!

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

Necessary preliminary tasks:

Remove underbody protection. See 51 47 491 REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION
If necessary, remove exhaust system
Remove heat shields

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 TRANSFER BOX IN GENERAL .

Replace sealing ring.

Fig 1: Identifying Oil Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Changing transfer case oil:

Place oil collecting apparatus underneath.

Remove oil drain plug (1).

Drain and dispose of gear oil.

NOTE: Observe country-specific waste-disposal regulations Replace sealing ring, screw in oil drain plug (1) and tighten down.

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

Fig 2: Identifying Oil Drain Plug

Courtesy of BMW OF NORTH AMERICA, INC.

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 TRANSFER BOX IN GENERAL .

Replace sealing ring.

Fig 3: Identifying Oil Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.