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Saturday, May 30, 2009
The Anti-Lock Braking System (ABS) prevents the wheels from locking into a single position when braking. The system ensures that brake pressure is distributed between the wheels in a manner which maximises the brake force and lateral guiding force. This enables the driver to steer even when braking in an emergency.
When ABS is activated, the driver feels the brake pedal pulsate gently. The all-wheel drive automobiles of the BMW X Series possess a system which shortens their braking distance: on steep, poor road surfaces and at low speeds, this system permits one or both of the front wheels to be blocked. The resulting wedge effect on the wheels means the vehicle can come to a halt quicker. A special regulatory algorithm ensures that the driver can continue to steer the automobile in this situation as well.
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