See also:

BMW Assist or ConnectedDrive
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The concept
This system can replace up to three different hand-held transmitters for various types of remote- controlled equipment, such as garage doors or lighting systems. The hand-held transmitter signa ...

Multi-channel playback, surround
Choose between stereo and multi-channel playback, surround. Setting multi-channel playback, surround 1. "CD/Multimedia", "Radio" or "Settings". 2. "Tone" ...