84 10 810 Removing and installing (replacing) Telematic Communication Box

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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 tasks:

Disconnect BATTERY EARTH LEAD
Remove LUGGAGE COMPARTMENT WHEEL ARCH PANEL ON LEFT .

Unscrew nuts (1).

Release screw (2).

Remove the holder with TCB (3) from the body.

Fig 1: Identifying TCB Holder, Screw, And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connections (1) and disconnect.

Release all nuts (2).

Remove TCB (3).

Installation note:

Note color coding of plug connections (1).

Fig 2: Identifying TCB, Plug Connections, And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: When replacing the TCB, check whether the faulty TCB is equipped with an EMERGENCY BATTERY :

if no , then the new part is installed without an emergency battery!
if yes , then the new part should be equipped with a new emergency battery (ordered separately, TCB is supplied without an emergency battery!)

Replacement:

Carry out VEHICLE PROGRAMMING/ENCODING