BMW F01 Manual page 13

MOST signals at the CIC control unit, that are not defined in the system circuit diagram:
In/Out Signal
In
Decoded audio signals
In
Information
In
Date, time, language
In
In
Data, audio signal
In
Data, audio signal
Out
Rad_on signal
Out
Audio signals
Instrument cluster > ZGM >
Kl. 58g Light switch > FRM > ZGM >
Source/sink
DVD changer >
DVD changer >
ULB-SBX >
ULB-SBX >
> Top-HiFi amplifier
>Top-HiFi
Function
Speed-dependent volume control
Metadata (ID3 tags)
Transfer of ambient conditions
Button lighting/instrument lighting
Data, audio signal, USB interface,
Center console
Data, audio signal, mobile phone
in snap-in adapter
Rad_on activation signal for Top-
HiFi amplifier
Audio signals (subsequently con-
verted in Top-HiFi amplifier and
output to individual speakers)
F01 Audio Systems
13