84 11 660 Removing and installing/replacing telematics control unit (TCU) (option SA633/SA639)

WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. 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) .

NOTE: Comply with notes and instructions on HANDLING OPTICAL FIBRES .

Necessary preliminary tasks:

Disconnect BATTERY EARTH CABLE
Remove LUGGAGE COMPARTMENT WHEEL ARCH TRIM ON LEFT

Disconnect plug connection (1).

Release all nuts.

Remove telematics control unit (2) from holder for telematics control unit (3).

Fig 1: Identifying Telematics Control Unit Holder Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Make sure wiring harnesses are correctly routed.

Replacement:

Carry out VEHICLE PROGRAMMING/CODING
Via Diagnosis and Information System (DIS):
- Service functions
- Start subsequent assessment