See also:

BMW Assist or ConnectedDrive
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Closing
1. Return the rear seat backrest to the upright seating position and engage it. Ensure that the lock is securely engaged When folding back the backrest, be sure that it locks in place securel ...

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" ...