See also:

Tire identification marks
Tire size 255/50 R 19 103 Y 255: nominal width in mm 50: aspect ratio in % R: radial tire code 19: rim diameter in inches 103: load rating, not for ZR tires Y: speed rating, before the R on ZR ...

Interior motion sensor
The windows and glass sunroof must be closed for the system to function properly. ...

Starting the Concierge service
1. "BMW Assist" or "ConnectedDrive" 2. "Concierge" Starting the Concierge service 3. "Start service" A voice connection is established with the BMW Assi ...