Tuesday, March 13, 2012

BMW ActiveE

The BMW ActiveE is a demonstration electric car based on the BMW 1 Series small family cars. It is the second vehicle after the MINI E to be developed under BMW Group’s Project i. The electric drive system is the latest addition to BMW’s EfficientDynamics programme.The four-seater, rear-wheel drive ActiveE was unveiled at the North American International Auto Show in Detroit in January 2010.

Body style          2-door Coupe
Platform             BMW 1
Series                (E82/E88)
Electric motor    168 hp (125 kW)
Battery              32.0 kWh lithium-ion battery
Electric Range   100 mi (160 km)
Curb weight      1,800 kg (4,000 lb)

The electric car has a 32 Kwh lithium-ion battery pack developed in cooperation with SB LiMotive and an all-electric range of 100 miles (160 km). The ActiveE takes 8.5 seconds to reach 60 miles per hour (97 km/h) and its maximum speed is electronically limited to 90 miles per hour (140 km/h).The ActiveE has an EcoPro mode that retards throttle response, shuts down the defrosters and tweaks the climate control to boost efficiency by up to 10%.The ActiveE has a 125 kW (168 hp) electric synchronous motor integrated into the rear axle to power the rear wheels, the same configuration that will be used in the BMW i3. The motor weights 200 lb (91 kg) and delivers 249 N·m (184 ft·lbf) of torque. The curb weight of the ActiveE is 4,001 lb (1,815 kg), nearly 800 lb (360 kg) heavier than a BMW 135i, but the ActiveE has a 50:50 weight distribution.The liquid-cooled storage cells are located under the hood, in the transmission tunnel and where the fuel tank would normally reside. The rear-mounted electric motor reduces the trunk space to 7 cu ft (200 L) versus 10 cu ft (280 L) in the standard BMW 1 Series.


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