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

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 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 electrical damage (ESD PROTECTION) .

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

Necessary preliminary tasks:

Remove PANEL FOR LUGGAGE COMPARTMENT PARTITION
Disconnect BATTERY NEGATIVE LEAD

Unlock plug connections (1) and disconnect.

Unfasten aerial plug (2) and disconnect.

Release all nuts.

Remove TCU (3).

Installation:

Observe colour coding of aerial plugs (2).

Fig 1: Identifying TCU, Aerial Plug And Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out vehicle programming/coding using scan tool.