65 12 200 Removing and installing (replacing) audio system controller

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2005 BMW 745i, 2005 BMW 745Li, 2004 BMW 745i, 2004 BMW 745Li, and 2003 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Disconnect battery negative lead, refer to 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD
Remove decorative trim for audio system controller. Refer to 51 16 175 REMOVING AND INSTALLING / REPLACING DECORATIVE TRIMS (ALL) ON FUNCTION CARRIER .

After installation:

Replacement only: Carry out coding/programming, refer to DIAGNOSIS PROGRAMMING/CODING

NOTE: Follow instructions for handling optical fibers. Refer to 61 00... NOTES ON HANDLING OPTICAL FIBERS .

Release screws (1).

Fig 1: Removing Audio System Controller

Courtesy of BMW OF NORTH AMERICA, INC.

Pull out audio system controller (2) towards rear. Disconnect plug connections at the back.

Remove audio system controller (2).

Installation:

Bearing journal (1) of audio system controller (2) must be seated exactly in mounting (3).

Fig 2: Identifying Bearing Journal Of Audio System Controller

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement only:

Release screws (1).

Fig 3: Removing Phone Board From Audio System Controller

Courtesy of BMW OF NORTH AMERICA, INC.

Remove phone board (2) in direction of arrow from audio system controller.