Saturday, September 7, 2013

BMW i3 - Latest Commercialised Engineering Achievement - 2013


http://www.bmw.co.uk/en/new-vehicles/bmw-i/i3/2013/start.html


The all-electric BMW i3.

Everything about the BMW i3 with eDrive, every detail and every feature, is designed for life in the city. Driven by a locally emission-free electric motor, the BMW i3 guarantees mobility wherever you need it. It’s at home anywhere, from the edge of town to the city centre. Not surprisingly, the BMW i3 also qualifies for a full 100% discount in the London Congestion Zone. Aside from the ecological considerations, the BMW i3 makes a strong impression with its breathtaking acceleration at low speeds or from a standstill. And it boasts an impressive real-world range of 80-100 miles thanks to the high-voltage lithium ion battery. If you want even more flexibility, the BMW i3 Range Extender adds to the achievable range.

Typical BMW i streamflow design features are apparent in the way the window surfaces in the tailgate merge to offer an excellent all-around view. Large 19 inch alloy wheels reduce rolling resistance, which, combined with numerous aerodynamic details, create the most efficient drive.

With a base price of $41k, it's about $20k less than a Tesla Model S. The smaller battery and lower passenger capacity probably account for the difference in price.




Comparison Between Concept Car and Production Car

The transparent doors move to the side and conventional doors made of CFRP are taking their place. The lower part of the tailgate has also moved away from a transparent design towards one that blocks the view of any contents inside the trunk.

The production version of the BMW i3 is narrower than the concept car: 1775 mm vs 2011 mm width of the production i3. In addition, the BMW i3 is slightly higher and slightly longer than when it was announced in 2011.

Inside changes:  The built-in LCD is now replaced by the floating high-def screen seen on new BMWs. The dashboard controls and iDrive knobs are also similar to the other production models in the BMW lineup.

The curb weight of the BMW i3 is 1195 kg or 55 kg lighter than announced in 2011. Due to the lower weight, the sprint is faster than initially announced: 7.2 seconds from 0 to 62 mph, versus 7.9 seconds in the concept.

The luggage capacity has however increased: 260 cubic meters to 1,100 cubic meters, versus 200 to 1,100 before.

Source:
http://www.bmwblog.com/2013/07/30/comparison-bmw-i3-concept-vs-bmw-i3-production-car/

Standard Specifications of the Car
http://www.bmw.co.uk/dam/bmw/marketGB/bmw_next/newvehicles/bmwi-overview/i3/design/E213677_BMW_i3_Flyer_SEH.pdf.resource.1374579262675.pdf

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