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 ...

BMW Assist or ConnectedDrive
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Opening/closing the glass sunroof
▷ Press the switch in the desired direction to the resistance point and hold it there. The glass sunroof moves while the switch is being held. ▷ Press the switch in the desired ...