BMW has officially unveils its third concept with the i8 Spyder that builds upon the i8 coupe that debuted last year. The Spyder's body is still made from carbon-fiber-reinforced plastic and it still has an electric motor for controlling the front wheels and a 1.5-liter three-cylinder gasoline engine for the rear wheels. "96 kW/131 hp on the front, coupled with a 164 kW/223 hp gasoline engine on the back, which accelerate the car from 0 to 100 km/h (62 mph) in 5 seconds, with a top speed of 250 km/h (155 mph). As far as fuel consumption goes, BMW claims 3 liters per 100 km (62 miles), with 30 kilometres (19 miles) of autonomy on electric power alone." Powering the concept will be a plug-in hybrid system that uses a 1.5-liter turbo three-cylinder at the back and electric motor at the front. Combined output for the concept is supposed to be 349 horsepower. The i8 is also a plug-in hybrid that can travel 20 miles on electric power alone and take two hours to charge. The BMW i8 Spyder Concept is scheduled to be unveiled at the Beijing Motor Show.