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 ...

Vehicle equipment
All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not available in a vehicle, ...

BMW X5: heating and ventilation, 3rd row seats
The air in the area of the 3rd row seats can be heated or recirculated. Air vents are located in the storage compartment area between the seats and in the footwell of the 3rd row seats. BMW X ...