BMW 1 Series
BMW 1 Series

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 ...
Activating HDC
Press the button; the LED above
the button
lights up. ...
Switching off automatically
The system switches off and the LED goes out:
▷ After approx. 165 ft/50 m when driving forward.
▷ After approx. 22 mph/35 km/h when driving
forward.
Switch on the system again if nece ...
