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

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2014 BMW X6, 2013 BMW X6, 2012 BMW X6, 2011 BMW X6, and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

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

IMPORTANT:

After completing work, CHECK OIL LEVEL and top up if necessary.

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

Necessary preliminary tasks:

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: Identifying Special Tool

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Release screws.

Remove transmission cross member.

Tightening torques:

Transmission cross member to body: 38 Nm

Transmission cross member to rubber mounts: 68 Nm

Fig 2: Removing Crossmember

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

Fig 3: Identifying Connector And Control Unit

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Release screw connection of transfer box.

Tightening torque: 43 Nm

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: Identifying Grease Dowel Pin

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