The familiar sense of driving pleasure embodied by the BMW i3 is the result of a rigorously implemented overall concept, part of which has involved creating the optimum balance of weight, performance and range for urban mobility. The key elements here are the LifeDrive architecture and BMW eDrive technology. The use of lightweight CFRP for the passenger cell cancels out the extra weight contributed by the lithium-ion battery, while the low, central positioning of the battery pack enhances the car’s agility thanks to perfectly balanced 50 : 50 weight distribution. Additionally, the electric motor mounted in close proximity to the driven rear axle offers unique performance characteristics for this type of drive system as well as providing unbeatable traction. The standard 19-inch forged light-alloy wheels of the BMW i3 are ultra-lightweight yet also boast outstanding torsional stiffness. The wheels are fitted with low rolling resistance tyres in 155/70 R19 format, their bespoke, relatively narrow dimensions providing an ideal combination of lower drag and a contact area designed for dynamic cornering. Customers can order 20-inch light-alloy wheels as an option.
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