Tire size
Example: 255/55 R 19 107 V
255: nominal width in mm
55: aspect ratio in %
R: radial tire code
19: rim diameter in inches
107: load rating, not for ZR tires
V: speed rating, before the R on ZR tires
Speed letter
Q = up to 100 mph/160 km/h
T = up to 118 mph/190 km/h
H = up to 131 mph/210 km/h
V = up to 150 mph/240 km/h
W = up to 167 mph/270 km/h
Y = up to 186 mph/300 km/h
See also:
Convertible: rollover protection system
The rollover protection system is activated automatically in the event of an
accident, a critical driving situation, an extreme tilt in the car's longitudinal
axis or upon loss of ground conta ...
General information
BMW Assist provides you with certain services,
e.g., transmission of the position data of your
vehicle to the BMW Assist Response Center if
an Emergency Request has been initiated.
Many BMW Ass ...
Headlamp range control
With halogen headlamps, the headlamp range of
the low beams can be manually adjusted for the
vehicle load to avoid blinding oncoming traffic.
The values following the slash apply to trailer
oper ...