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Functional networking of Professional telematics

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The following graphic shows the functional networking of the BMW Telematics Professional with the example F30.

Fig 1: Crash Safety Module (ACSM) - Circuit Diagram
G09841247Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Microphone
2 Aerial
3 Emergency loudspeaker
4 Crash Safety Module (ACSM)
5 Headunit
6 Roof function center (FZD)
7 Front Electronic Module (FEM)
8 Microphone 2
9 Power distribution box, rear
10 Telematics control unit