Functional description, see BMW Technology:
TIS -> Document -> SI Technology -> Enter SBT Number
SBT number: 650604101
For the E87, there are four radio levels as optional extras.
In addition, the navigation system Business (M-ASK) and navigation system Professional (CCC) can also be chosen. Different audio system can be combined with the radios. As standard, the stereo system is fitted with all radios (no external amplifier).
The audio systems in the BMW 1 Series are divided into 3 levels:
The audio systems differ in that various sound pressures can be achieved or there is improved system linearity. The stereo system consists of 6 loudspeakers; the HiFi system or top-hifi system consists of 10 loudspeakers and various additional amplifiers. The central bass speakers are located under the front seats.
Rear-window aerials and a roof-mounted aerial are used in the E87. The rear-window aerials deliver the signals for the reception of FM. The roof-mounted aerial receives the signals for the telephone, FM and AM. Aerial diversity is fitted on the Radio Business CD and Radio Professional or higher. Aerial diversity contains the aerial amplifiers. Aerial diversity switches the aerials for FM.
Proceed as follows to call up the Service mode:
The Radio Professional is a new radio for the MOST framework. Alongside the Multi Audio System Controller (M-ASK) and the Car Communication Computer (CCC), it is another MOST master controller. With a built-in Radio Professional or higher, a MOST bus is also available. The Radio Professional forms the gateway between K-CAN and MOST bus.