27 10 020 Installing exchange transfer case (ATC 350)

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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.

Recycling:

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 27 10 2AZ .
Remove TRANSFER CASE

Modify following parts:

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

Bolt special tool 22 1 044 to transfer case.

Insert special tool 22 1 046 with bolts into opening of rubber mount.

Draw in rubber mount with special tool 33 4 460.

Fig 1: Drawing In Rubber Mount Using Special Tool (33 4 460)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

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

Fig 2: Identifying Rubber Mounting

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 27 10 2AZ .
Pour in transmission oil up to lower edge of opening for filler plug (1).
Use only the APPROVED OIL .

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

Fig 3: Identifying Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.