ABS prevents locking of the wheels during braking.
The vehicle contains its steering power even during full brake applications, thus increasing active safety.
ABS is operational every time you start the engine.
Brake assistant
When you apply the brakes rapidly, this system automatically produces the greatest possible braking force boost. It reduces the braking distance to a minimum during emergency stop.
This system utilizes all of the benefits provided by ABS.
Do not reduce the pressure on the brake pedal for the duration of the emergency stop.
BMW X3 Owners Manual > BMW X3 Owners Manual: Reference
Technical data
Vehicle features and options
This chapter describes all standard, country-specific
and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies ...