BMW unveils the production i3 in New York, London and Beijing; efficiency, dynamics and a supporting ecosystem of services
Green Car Congress
JULY 30, 2013
For example, the forged aluminium suspension links weigh around 15% cent less than in a conventional design, the hollow drive shaft is 18% lighter than a conventional equivalent, and the standard 19-inch forged aluminium wheels of the BMW i3 are 36% lower in weight than comparable steel rims of the same size.
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