27 00... Replenishing / changing transfer box oil (ATC 450)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2014 BMW X6, 2013 BMW X6, 2012 BMW X6, 2011 BMW X6, and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Use only the approved oil in the transfer case. See TRANSFER CASE - OPERATING FLUIDS .
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 TRANSMISSION CROSS MEMBER .

Checking/correcting transfer case oil level:

Undo oil filler plug (1).

Check transfer case oil level.

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

Installation note:

Tightening torque: 60 Nm

Replace oil filler plug (1).

Fig 1: Identifying Oil Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Changing transfer case oil:

Remove exhaust system holder from transmission.

Tightening torque 18 20 1AZ.

Place oil collecting apparatus underneath.

Remove oil drain plug (1).

Drain and dispose of transmission oil.

NOTE: Observe country-specific waste-disposal regulations

Installation note:

Replace oil drain plug (1).

Tightening torque: 60 Nm

Fig 2: Identifying Oil Drain Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Undo oil filler plug (1).

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

Tightening torque: 60 Nm

Replace oil filler plug (1).

Fig 3: Identifying Oil Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.