00 11 572 Changing oil in transfer box (ATC 400/500)

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: When changing the gear oil, it is necessary to delete the self-adapting wear values in the transfer box control unit.
Use only the approved transmission fluid.

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

Catch and dispose of escaping transmission fluid.

Observe country-specific waste-disposal regulations

NOTE: ATC 500 transfer box:
Undo oil filler plug (1).
Tightening torque: 27 00 11AZ, see 27 00 TRANSFER BOX IN GENERAL .

Fig 1: Oil Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: ATC 500 transfer box:
Remove oil drain plug (2).
Tightening torque: 27 00 11AZ, see 27 00 TRANSFER BOX IN GENERAL .

Fig 2: Oil Drain Plug

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: ATC 400 transfer box:

Release oil filler plug (1) and oil drain plug (2).

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

Fig 3: Oil Filler And Drain Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace sealing rings.

Clean oil drain plug (2) and screw in.

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

Tighten in filler screw (1).

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