84 11 660 Removing and installing (replacing) Telematics Control Unit (TCU) (SA633/SA639)

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. 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 FIBRE .

Necessary preliminary work:

Remove TRIM PANEL FOR LUGGAGE COMPARTMENT PARTITION WALL
Disconnect BATTERY EARTH LEAD

Unlock plug connections (1) and disconnect.

Unfasten aerial connector (2) and disconnect.

Release all nuts.

Remove TCU (3).

Installation note:

Observe color coding of aerial connectors (2).

Fig 1: Locating TCU Aerial Connectors

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out VEHICLE PROGRAMMING/ENCODING

For vehicles with Teleservices optional equipment:

Update services via menu in the central information display.