E60, E61, E63, E64, E87, E90 - Power Board
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2005 BMW 645Ci, 2005 BMW 545i, 2005 BMW 530i, 2005 BMW 525i, and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.
Installation location
The power board is located on the back of the Car Communication Computer.
Construction
The power board is connected to the motherboard and the audio board via plug-in contacts. On the power board, there are 4 audio output stages for the loudspeakers and the power supply to the CCC.
The illustration shows the example of the CCC on the E60.
POWER BOARD CONSTRUCTION
| Key | Explanation | Key | Explanation |
|---|---|---|---|
| 1 | Audio output stage | 2 | Plug-in contact to motherboard |
| 3 | Plug-in contact to audio board |