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

27 10 010 Removing and installing transfer box (ATC 450)

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.





Release screws.

Remove transmission cross member.

Tightening torque 22 32 4/5AZ.

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








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.

*x0:

Zy: