See also:

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 ...

Opening
▷ Press the switch to the resistance point. The window opens while the switch is held. ▷ Press the switch beyond the resistance point. The window opens automatically. Pressin ...

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 ...