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

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on protection against electrical damage (ESD PROTECTION) .

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

Necessary preliminary work:

Disconnect BATTERY EARTH LEAD .
Remove left luggage compartment wheel arch panel.
Partially remove luggage compartment WHEEL ARCH PANEL LEFT at F10.

Unscrew nuts (1).

Release screw (2).

Remove TCU holder (3) in direction of arrow.

Fig 1: Removing Holder With TCB

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connections (1) and disconnect.

Unfasten aerial connector (2) and disconnect.

Release all nuts.

Remove TCU (3) from holder (4).

Installation note:

Observe color coding of aerial connectors (2).

Fig 2: Identifying Plug Connections, TCU With Holder And Aerial Connector

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.