BMW 5-series Activehybrid
Bmw activehybrid series 5 to launch its third hybrid model at Geneva motor show. The 5 series will officially go on sale in 2011. It will be a mild-hybrid version of the all-new 2011 BMW The ActiveHybrid 5 will follow in the footsteps of the 2010 BMW Activehybrid 7, its full size hybrid luxury sports car, and use much of the same hybrid system. In the 7-Series, a three-phase synchronous electric motor is connected to the crankshaft of the car's 4.4-liter gasoline V-8 engine and drives through a new 8-speed automatic transmission. Configuration, including automatic start / stop function, power recovery systems and so on. It is reported that BMW Activehybrid 5 will be at least 10% of the increase in fuel economy.The 5 Series uses a new derivative of the modular mild hybrid system from the larger 7. The 15 kilowatt electric motor from the 7 has been upgraded to a full 40 kW for the smaller sedan. That will allow the hybrid 5 Series to function as a full hybrid, operating in electric-only mode at city speeds. Unlike the twin-turbo V8 used in the earlier hybrids, the 5 uses the 300-horsepower twin-scroll turbo inline-six available in the 535i. A clutch between the engine and motor allows them to be disengaged for electric drive.
video's of Active hybrid:-
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