Maximum Range Of 350 km For The Upcoming BMW i3 Range Extender
|   Tuesday, March 26, 2013
The new BMW i3 is the first serial electric model of the Bavarian manufacturer that will offer a full range of 220 kilometers on a single "full" of energy. The distance increases up to 350 kilometers when opting for the optional range extender consisting of a heat engine with two cylinders and a generator.

The serial version will debut in September at the Frankfurt Motor Show, and the new model will arrive in showrooms in Europe, USA and China by the end of this year.


"A single charge ensures the i3 a range of about 130-160 km, but thanks to the two dedicated ECO mode, the new model can travel up to 220 kilometers", explains Maximilian Kellner, head of the new division of i electric models.

The ECO PRO mode in the BMW ActiveHybrid 7 reduces fuel consumption by up to 20 percent. An additional 5 percent can be saved by using functions coasting.

The first eco mode, called EcoPro, reduces the torque delivered by the electric motor and the energy used by consumers, such as air conditioning or heating system machine. Autonomy is thus increased by 20 kilometers. The second program, EcoPro + completely stops all systems that use electricity, except power steering and safety systems like ABS and ESP. The gain is substantial: an additional 40 kilometers.

The new i3 can be optionally equipped with a two-cylinder combustion engine coupled to a generator. Hidden under the trunk floor, the little engine taken from the world of the BMW motorcycle, charge the batteries as many times as needed, without ever acting directly on the wheels of the car. With a single tank of fuel, total autonomy grows by another 130 kilometers, which means that the little i3 can travel including extra-urban routes, up to 350 kilometers.

The ECO PRO mode increases the efficiency of the hybrid system, due to the connection with the Professional navigation system of the latest generation, which is standard equipment, and controls when and where to intervene with the electric motor to maximize electric propulsion. Acceleration and transmission parameters with a control strategy of the air conditioning system is adapted to optimize the fuel, while ECO PRO mode offers suggestions for personalized driving style.

The professional navigation system of the latest generation of standard equipment extends the ECO PRO mode's functions. It anticipates local conditions and provides appropriate suggestions before the occurrence of any situation like traffic jams. If after the next turn there is a stretch of road under work or there is a speed limit, the system recommends to the driver to reduce the speed before that turn. When the system recommendations are followed, the transmission stops the connection of the car with the internal combustion engine, and it stops. Thus, the BMW ActiveHybrid 7 runs silently and without exhaust emissions, at speeds of up to 160 km / h.

Depending on traffic, the individual driving style, of the local conditions and the hybrid mechanism, the route ECO PRO gives the driver the instructions to optimize the efficiency - with a very small extension of the duration of the journey. The driver can decide himself whether or not to follow the recommendations of fuel received through the display.
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