See also:

The concept
The tire inflation pressure is measured in the four mounted tires. The system notifies you if there is a significant loss of pressure in one or more tires. ...

Text messages
Text messages in combination with a symbol in the instrument cluster explain a Check Control message and the meaning of the indicator and warning lamps. ...

Crunching the Numbers
Prices for the X5 start at $47,500 for the xDrive30i; the diesel costs $51,200 and the lineup peaks at the $56,200 xDrive48i. Standard features include faux leather upholstery, power front seats, ...