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Sunday, September 27, 2009
BMW Vision Efficient Dynamics Concept
This is BMW 's vision of a future sports car, a lightweight 2 +2 coupe with hybrid technology, plug the drive that promises to offer' M 'car-level performance, dynamic drive with Toyota Prius-like figures of emissions and fuel economy. Set to take center stage at the automaker 'Bavarian`s exhibition stand at Frankfurt Motorshow in September 2009, the vision Efficient Dynamcis showcases an array of technologies, many of which would be designed for use on the Minicoupe and Rolls Royce upcoming models of BMW.
BMW says that the Vision Efficient Dynamics concept can accelerate to 100km/h (62mph) in 4.8 seconds and has an electronically governed top speed of 250km/h or 155mph. The Bavarian automaker claims that average fuel consumption in the EU test cycle is a mere 3.76 lt/100 km which is equal to 62.6 mpg US, and the CO2 emission rating are just 99 grams per kilometer.
Mounted in front of the rear axle , the 1.5-liter three-cylinder turbo diesel engine that drives the rear wheels delivers an output of 163HP and 214 lb-ft of torque. The compact-sized electric motor that is positioned between the diesel engine and the DCT produces 33HP and 214 lb-ft but can supply momentarily up to 51HP.
The second electric motor is situated on the front axle offering continuous output of 80HP and peak torque of 162 lb-ft but it can produce 112HP for a period of up to 30 seconds, and, for a 10-second "burst," 139HP.The overall system output is 356 horsepower and 800Nm or 590 lb-ft of peak torque. The arrangement of the two motors and diesel engine allows all-wheel drive when driving in all-electric mode.
the concept is a high-performance diesel-electric hybrid system that combines a small diesel engine with two electric motors and a newly-developed version of BMW's double-clutch transmission (DCT) with six speeds.
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