See also:

Data transfer
During the updating of BMW services, display the status of the data transfer. 1. "BMW Assist" or "ConnectedDrive" 2. "Options" Open. 3. "Data transfer" ...

Capacities
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Treble, bass, balance, and fader
▷ "Treble": treble adjustment. ▷ "Bass": depth adjustment. ▷ "Balance": left/right volume distribution. ▷ "Fader": front/rear volume ...