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Automatic Differential Brake (ADB-X)

The Automatic Differential Brake (ADB-X) lets you make the most of your BMW's dynamic performance and sporting character on difficult road surfaces.

BMW's Dynamic Stability Control (DSC) system ensures that the vehicle remains stable when taking bends, speeding up or braking on uneven road surfaces or in poor driving conditions. The Automatic Differential Brake (ADB-X) is part of this system. Using sophisticated electronics, it offers the same function as a mechanical differential brake - without any disadvantages arising from weight and loss of efficiency.
If a wheel threatens to slip, it is individually braked: blocking momentum is directed to the wheel opposite, which thereby guarantees optimum drive power. When DSC or Dynamic Traction Control (DTC) is active, the engine power output is also adjusted.
If the sporting driver chooses to deactivate DSC or DTC, he still has the benefit of ADB-X, which then focuses on maximum forward drive and applies braking force only. A temperature control sensor ensures that the brakes do not overheat.
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