27 10 020 Installing replacement transfer box (ATC 350)

WARNING: This page is about a different variant/trim than selected.

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.

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

Necessary preliminary work:

Drain transmission oil at oil drain plug.
Tightening torque, see 27 10 2AZ in 27 00 TRANSFER BOX IN GENERAL .
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: Pay Attention To 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 2AZ in TRANSFER BOX IN GENERAL . Pour in transmission oil up to lower edge of opening for filler plug (1). Use only the approved transmission oil. See TRANSFER CASE - OPERATING FLUIDS .

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

Courtesy of BMW OF NORTH AMERICA, INC.

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