See also:

Note
Children in the vehicle Do not leave children unattended in the vehicle; otherwise, they could endanger themselves and other persons, e.g., by opening the doors.◀ ...

Driving experience: benchmark dynamics and exceptional comfort.
Highly advanced drivetrain and suspension technologies combine agile handling for the driver and a high standard of riding comfort for passengers. When equipped with the Sport Package, the new BMW ...

Performance
For 2009, there's just one engine: a 3.0-liter six-cylinder that's good for 260 horsepower. It teams with either a six-speed manual or a six-speed automatic transmission. All X3s have all-wheel dr ...