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

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2016 BMW 435i xDrive, 2016 BMW 435i, 2016 BMW 428i xDrive, 2016 BMW 428i, and 2015 BMW 435i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Observe the INFORMATION ON PROTECTION FROM ELECTROSTATIC DISCHARGE .

Comply NOTES AND NOTES ON HANDLING OPTICAL FIBRE .

IMPORTANT: Risk of damage: Carefully unlock and disconnect connector on the TCB.

Necessary preliminary tasks:

Disconnect BATTERY EARTH LEAD

NOTE: Illustrations shown on the F20 by way of example, deviations in detail are possible in other models.
Remove luggage compartment floor trim panel (1) in direction of arrow.

Fig 1: Removing Luggage Compartment Floor Trim Panel

Courtesy of BMW OF NORTH AMERICA, INC.

Carefully unlock and disconnect all connectors (1).

Unscrew nuts (2).

Tightening torque: 6 Nm.

Remove TCB (3).

Installation note:

Note color coding of connector.

Fig 2: Identifying TCB Connectors And Screws

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