See also:

Convertible: rollover protection system
The rollover protection system is activated automatically in the event of an accident, a critical driving situation, an extreme tilt in the car's longitudinal axis or upon loss of ground conta ...

Antilock Brake System ABS
ABS prevents locking of the wheels during braking. The vehicle remains steerable even during full brake applications, thus increasing active safety. ABS is operational every time you start the e ...

Safety
Neither the Insurance Institute for Highway Safety nor the National Highway Traffic Safety Administration has tested the 2007 X3. Standard safety features include four-wheel-disc antilock brakes, ...