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this seems too be new for MY15:
A richer experience thanks to intelligent networking: 8-speed Steptronic transmission with proactive drive system.
From the summer of 2014, the new 8-speed Steptronic transmission with a proactive drive system will also be available for the models of the BMW 1 Series, BMW 2 Series, BMW 3 Series, BMW 4 Series and BMW 5 Series. On vehicles equipped with a navigation system, the proactive drive system ensures that the moment to shift gears is precisely adapted to the prevailing driving situation even if the navigation system is not active. The Proactive Driving Assistant works in tandem with the navigation system and "sees" a bend or a roundabout ahead and takes into account turn-offs and motorway exits. If the vehicle is approaching a roundabout or a bend, the transmission automatically changes down to the most appropriate gear, making optimum use of the engine braking effect. Subsequently, the system again shifts to the optimal gear for accelerating out of the bend. Furthermore, unnecessary gearshifts and hunting between bends are avoided through intelligent interaction with the navigation system.
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