Electric Hybrid Cars Mega step BMW EV

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BMW ActiveE Electric Cars

Mega step — BMW EV

By: in BMW on Nov 23

BMW takes its biggest stride yet realizing its mega city in the form of a 1 Series tech EV

Presented at this year s Motor Show and exactly one on from showing to the world the E BMW s ActiveE technology demonstrator is the OEM s biggest hint yet as to what of propulsion system will its upcoming mega city vehicle.

At the heart of ActiveE is a electric synchronous motor, enables the 1 Series EV to tap into and 250Nm of torque, ensuring a acceleration time of nine Top speed is electrically limited to The motor and the power electronics of have been developed in-house, an important point BMW is very eager to build up electric powertrain expertise, Bernhard Hofer, the man leading the program.

With most development place within BMW and with the same team that put Mini E Hofer s engineers on key issues important to BMW. as the power pack, power and transmission with differential into the modified rear-axle. attention to placement of the battery and electric subsystems means ActiveE has a 50:50 axle distribution, which is typical of BMW IC vehicles.

ActiveE s lithium-ion battery ensures a driving range of 99 The cells have been with SB LiMotive, a JV between and Samsung. Hofer says the are the only aspect of the powertrain has not been developed in-house.

BMW ActiveE Electric Cars

The neatly slot into the space of the ActiveE , says with the larger battery being placed in the lower of the vehicle where the conventional would normally be found. are 192 cells in total, arranged in 25 across three individual The total capacity of the battery is and the entire pack tips the at 450kg. The three large modules are each protected by a constructed steel-plate housing integrated liquid cooling maintains optimum temperature.

The clever aspect to the cooling is that the ActiveE can heat the in order to bring the energy units up to an ideal temperature of during winter months.

Just like Mini E, is what Hofer terms as a car an EV based on the body shell of a with an IC engine . It s an important because other than a trunk and a scoop on the hood, the of the ActiveE is virtually the same as of the 1 Series. This means is BMW Group s first EV to offer seats and a 200-liter luggage proof that the OEM has made in battery-pack reduction, with the system in the Mini E being so that it took up most of the of the vehicle, resulting in a two-seater trial car.

The plan now is for some 1,000 vehicles to take part in tests later this in the USA. Europe and China. The 1 based EV will join the 600 E applications already up and running. real world tests provide Hofer s team vital feedback.

The project says this data with information sourced the Mini E project will be fed into the series production of the s mega city vehicle, the BMW Group will be launching a new sub-brand in 2013.

BMW ActiveE Electric Cars
BMW ActiveE Electric Cars
BMW ActiveE Electric Cars
BMW ActiveE Electric Cars

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