Friday, November 30, 2012

BMW i8


The BMW i8, first introduced as the BMW Concept Vision Efficient Dynamics, is a plug-in hybrid under development by BMW. The initial concept car was unveiled at the 2009 Frankfurt Motor Show, and the BMW i8 concept car destined for production was unveiled at the 2011 Frankfurt Motor Show. The i8 has a 7.2 kWh lithium-ion battery pack which delivers an all-electric range of 35 km (22 mi).
In 2010 BMW announced the mass production of the Concept Vision Efficient Dynamics in Leipzig beginning in 2013 as the BMW i8. The i8 is part of BMW's "Project i" and will be marketed as a new brand, BMW i, sold separately from BMW or Mini. The BMW i3 and the BMW i8 will be the first models available from 2013. Other i models will follow.
The Vision Efficient Dynamics concept car is a plug-in hybrid with a three cylinder turbo diesel engine. Additionally, there are two electric motors with 139 horsepower. It allows an acceleration to 100 km/h (62 mph) in 4.8 seconds and an electronically limited top speed of 250 km/h (160 mph).
According to BMW, the average fuel consumption in the EU test cycle (KV01) is 3.76 litres/100 kilometers, (75.1 mpg imp), and has a carbon dioxide emission rating of 99 grams per kilometer (1,3 l/100 km and 33g CO2/km ; EU-PHEV ECE-R101). The estimated all-electric range is 50 km (31 mi), and the 24-litre diesel tank extends the total vehicle range to up to 700 km (430 mi). The lightweight chassis is made mainly from aluminium. The windshield, top, doors and fenders are made from poly carbonate glass, with the body having a drag coefficient of 0.22.
The BMW i8 concept plug-in hybrid electric vehicle unveiled at the 2011 Frankfurt Motor Show has a 7.2 kWh (26 MJ) lithium-ion battery pack that allows an all-electric range of 35 km (22 mi). Its top speed is electronically limited to 250 km/h (160 mph) and is expected to go from 0 to 100 km/h (0 to 60 mph) in 4.6 seconds. Under normal driving conditions the i8 is expected to deliver 80 mpg-US (2.9 L/100 km; 96 mpg-imp) under the European cycle. A full charge of the battery will take less than 2 hours using 220V.
The i8 combines the electric drive system of the BMW i3, with a 96 kW (129 hp) electric motor located in the front axle powering the front wheels and at the rear is a turbocharged 1.5-litre 3-cylinder gasoline engine producing 164 kW (220 hp) and 300 N·m (220 lbf·ft) of torque. The result is a combined output of 260 kW (349 hp). All four wheels provide regenerative braking. The location of the battery pack in the energy tunnel gives the vehicle a low center of gravity, enhancing its dynamics. Together with the positioning of the motor and engine over the axles, the result is an optimum 50/50 weight distribution.


General specifications:

Country of origin : Germany
Numbers built : No (Prototype)
Produced in : 2012


Configuration : Straight 3
Location : Front, longitudinally mounted
Displacement : 1.5 liter / 91.5 cu in
Aspiration : Turbo
Power : 220 bhp / 164 KW
Torque : 300 Nm / 221 ft lbs
BHP/Liter : 147 bhp / liter


Configuration : Electric Motor
Location : Front, transversely mounted
Power : 129 bhp / 96 KW
Torque : 250 Nm / 184 ft lbs


Weight : 1630 kilo / 3593.5 lbs
Length :  4480 mm (176.4 in)
Width : 1922 mm (75.7 in)
Height : 1208 mm (47.6 in)
Wheelbase : 2650 mm (104.3 in)
Track (fr/r) :  No / No


Combined Power : 349 bhp / 260 KW
Combined Torque : 550 Nm / 406 ft lbs
Power to weight : 0.21 bhp / kg
Top Speed : 250 km/h (155 mph) (limited)
0-100 km/h 5.0 s

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