BMW Dynamic Traction Control (DTC)


The traction control DTC provides an essential contribution to the high riding dynamics and the exemplary riding safety. Specifically under changing operating conditions, on surfaces presenting less roadholding, and during friction tests, the traction control DTC provides invaluable assistance to the rider. The BMS-X detects a spinning rear wheel by comparing the front and rear wheel speeds measured by the ABS sensors and analysing the data provided by the sensor box (inclination detector). In this case, the engine controller initiates a corresponding reduction to the drive torque by decreasing the ignition angle, intervening in the injection, and modifying the position of the throttle valve. Unlike the previous BMW Motorrad ASC systems, the traction control DTC also uses complex sensor clusters to determine the vehicle's inclination and to integrate the findings in the regulation. The traction control DTC operates with settings that are individual to each of the different riding modes for the greatest possible safety over the whole range. Although the traction control DTC provides invaluable support to the rider and therefore an enormous boost to acceleration safety, it cannot – like ABS – redefine to any degree the constraints posed by the laws of physics. Bad judgement or poor riding can still exceed these constraints, and, in extreme cases, the rider can fall off his machine. However, DTC or dynamic traction control helps the rider to expand the potential of dynamic riding and above all to use this with greater safety. For special requirements, e.g. on the racetrack, DTC (dynamic traction control) can nevertheless be deactivated separately.