27 10 700 Removing And Installing/Replacing Control Unit For Transfer Box (ATC 700)

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.

IMPORTANT: READ AND COMPLY WITH NOTES ON PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

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

Necessary preliminary tasks:

Raise luggage compartment floor trim.

Release screws (1).

Remove battery cover (2) towards top.

Fig 1: Battery Cover Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect connector (1).

Unscrew nuts.

Remove control unit.

Fig 2: Control Unit Connector

Courtesy of BMW OF NORTH AMERICA, INC.

After replacement:

CARRY out programming/encoding.