27 10 010 Removing And Installing Transfer Box (ATC 450)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

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

IMPORTANT: After completion of work, CHECK TRANSMISSION OIL LEVEL and top up if necessary.
Failure to comply with this requirement will result in serious damage to the transfer box!

Necessary preliminary work:

Disconnect BATTERY EARTH LEAD .
Remove UNDERBODY PROTECTION .
Remove complete EXHAUST SYSTEM .
Remove heat shields.
Remove PROPELLER SHAFT .
Remove FRONT PROPELLER SHAFT .

NOTE: Support transmission with special tools 00 2 030 , 23 4 050 .

Fig 1: Supporting Transmission Using Special Tools 00 2 030/23 4 050

G04745104

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Remove transmission cross member.

Tightening torque: 22 32 4/5AZ .

Fig 2: Transmission Cross Member Screws

G04794131

Courtesy of BMW OF NORTH AMERICA, INC.

Unplug connector (1) from VTG control unit (linear force module) (3).

Fig 3: Connector From VTG Control Unit (Linear Force Module)

G09921697

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw connection of transfer box.

Tightening torque: 27 00 9AZ .

Remove transfer box.

Installation note:

Pay attention to dowel pin (1).

Grease dowel pin (1).

Apply a thin coat of grease to gearing.

Grease: WEICON ANTI-SEIZE.

Fig 4: Dowel Pin

G04745108

Courtesy of BMW OF NORTH AMERICA, INC.