See also:

Features & Long-Term Ownership
Starting at $38,000, the X3 comes standard with vinyl upholstery, power front seats, automatic climate control and a dual-pane panoramic moonroof. Options include leather, heated front and rear se ...

Function
After the safety belt is buckled and the door is closed, the front belts are automatically tightened once after the vehicle is driven is away. In critical driving situations, the following indivi ...

1 Series M
Rather than the single-turbo setup from the 135i, the 1 Series M gets a twin-turbo six-cylinder that's good for 335 hp and 332 pounds-feet of torque. In extreme situations, the 1 Series M can ente ...