84 10 011 Replacing emergency battery for Telematic Communication Box (TCB)

Necessary preliminary tasks: 

• Remove the TELEMATIC COMMUNICATION BOX (TCB) .

Open lid (1) on TCB (2) in direction of arrow.

Fig 1: Opening Lid On TCB

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect connector (1).

Remove emergency battery (2) from TCB (3).

Fig 2: Removing Emergency Battery From TCB

Courtesy of BMW OF NORTH AMERICA, INC.