BMW ActiveHybrid.

BMW ActiveHybrid technology intelligently manages vehicle energy. Hybrid technology is implemented to increase both efficiency and dynamics in all driving situations and for all models.

By implementing BMW EfficientDynamics technologies, combustion engines have never been so economical. However, this doesn't mean we are now going to rest on our laurels - BMW ActiveHybrid technology is the next step that will continue to sink consumption and fuel levels even further in the medium term while maintaining the high levels of performance associated with BMW.
The BMW Concept X6 ActiveHybrid impressively demonstrates how technology, design and driving features can all successfully work together. A key component in achieving both impressive efficiency and driving pleasure in BMW vehicles with ActiveHybrid is the two-mode active transmission which links the combustion engine with two high-performance electric motors.
Developed as part of the Global Hybrid Cooperation, the two-mode active transmission uses planetary gear sets to variably split the power between the different units. The system switches between two operating modes according to need: one is used for moving off at high torque and low speed, the other for faster travelling speeds.
This ensures that power is optimally exploited depending on the particular driving situation. Fixed-ratio gears within the two operating modes furnish additional benefits, boosting efficiency and driving dynamics across the entire speed range. Here the two electric motors can be used both during acceleration and for the recovery of brake energy. This energy, which is subsequently on tap to drive the vehicle, is provided practically free of charge.
Thus the BMW Concept X6 ActiveHybrid always has the best of both worlds: it can be driven either in full electric mode, solely on power from the combustion engine, or in a combination of both drive sources. The only surprise is the fuel consumption and emission figures - which shave off up to 20 percent compared to a similar vehicle with conventional drive.
With its hybrid concept, BMW has set a new milestone in its successful BMW EfficientDynamics strategy. That's because this car is not destined to gather dust as a concept but is firmly slated for ongoing development to production stage.

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