61 35 430 Removing and installing/replacing control unit for regulated rear axle differential lock (GHAS)

WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2017 BMW M6, 2017 BMW 650i xDrive, 2017 BMW 650i, 2017 BMW 640i xDrive, and 2017 BMW 640i. 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) .

Necessary preliminary tasks:

Remove LUGGAGE COMPARTMENT FLOOR TRIM PANEL .

Unlock plug connections (1) and disconnect.

Unscrew nuts (2).

Remove control unit (3).

Fig 1: Identifying Control Unit, Plug Connections, And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Perform VEHICLE CODING/PROGRAMMING .
Perform START-UP .