27 10 020 Installing exchange gearbox (ATC 350)

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2016 BMW 550i GT xDrive, 2016 BMW 535i GT xDrive, and 2015 BMW 550i GT xDrive. 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.

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 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 bolts into opening of rubber mount.

Draw in rubber mount with special tool 33 4 460.

Fig 1: Inserting Special Tool (22 1 046) Into Rubber Mount Opening

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

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

Fig 2: Identifying Rubber Mount Installation Position

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 transmission oil. Refer to 1.0 TRANSFER CASE OPERATING FLUIDS .

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

Fig 3: Identifying Oil Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.