27 10 020 Installing exchange gearbox (ATC 350)

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. 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 tasks:

DRAIN 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

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 .

Fig 3: Identifying Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.

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