27 10 020 Installing replacement transfer box (ATC 350)

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.

Special tools required:

22 1 044
22 1 046
33 4 460

IMPORTANT: Before and after replacement, execute the "Repair" service function with the BMW diagnosis system.

NOTE: Recycling: Catch and dispose of escaping transmission oil. Observe country-specific waste disposal regulations.

Necessary preliminary tasks:

Drain transmission oil at oil drain plug
Tightening torque, 27 10 2AZ
Remove transfer box

Modify following parts:

Covers and protective caps
Drive shaft transportation retainer
Vent hose of transfer box

Bolt special tool 22 1 044 to transfer box. Insert special tool 22 1 046 with pins into opening of rubber mount. Draw in rubber mount with special tool 33 4 460.

Fig 1: Bolt Special Tool 22 1 044 To Transfer Box

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: Pay attention to installation position of rubber mount (1).

Fig 2: Installation Position Of Rubber Mount (1)

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT:

After completing work, check transmission oil level and top up if necessary.
Release filler plug (1).
Check oil level.
Tightening torque, see 27 10 11AZ in 27 00 TRANSFER BOX IN GENERAL .
Pour in transmission oil up to lower edge of opening for filler plug (1).
Use only the approved TRANSFER CASE OPERATING FLUIDS .

Fig 3: Pour In Transmission Oil Up To Lower Edge Of Opening For Filler Plug (1)

Courtesy of BMW OF NORTH AMERICA, INC.

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