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

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 transmission oil in the transfer box. Failure to comply with this requirement will result in serious damage to the transfer box!

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

Necessary preliminary tasks:

Remove transmission cross-member.

Check transfer box oil level, correct:

Undo oil filler plug (1).

Check transfer box oil level.

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

Fig 1: Pour In Transmission Oil Up To Lower Edge Of Opening For Oil Filler Plug (1)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: Tightening torque 27 00 11AZ.

Replace oil filler plug (1).

Changing transfer box oil:

Remove exhaust system holder from transmission.

Tightening torque 18 20 1AZ.

Place oil collecting apparatus underneath

Remove oil drain plug (1).

Fig 2: Remove Oil Drain Plug (1)

Courtesy of BMW OF NORTH AMERICA, INC.

Drain and dispose of transmission oil.

NOTE: Observe country-specific waste disposal regulations

Installation note: Replace oil drain plug (1).

Tightening torque 27 00 11AZ.

Undo oil filler plug (1).

Fig 3: Undo Oil Filler Plug (1)

Courtesy of BMW OF NORTH AMERICA, INC.

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

Tightening torque 27 00 11AZ.

Replace oil filler plug (1).