See also:

The concept
The system does not measure the actual inflation pressure in the tires. It detects a pressure loss in a tire by comparing the rotational speeds of the individual wheels while moving. In the ev ...

Strength of the driver's and front passenger airbag
The strength with which the driver's and front passenger airbags are triggered depends on the position of the driver's and front passenger seats. To maintain the accuracy of this function over ...

Features
The 2009 X3 starts at $39,700 and comes standard with leatherette upholstery, eight-way power front seats, a panoramic moonroof and rain-sensing windshield wipers. There are four option packages a ...