Rolls-Royce Noises, Extra Fuel Capacity, A Bigger Trunk, Suspension Goodies: Behold The Coolest Mods David Can Put On His Currently-Broken BMW i3 - The Autopian
BMW i3 with Range Extender (07/2013)
BMW i3: half of buyers to opt for range extender - Drive
2014 BMW i3 With Range Extender Priced At $46,125, Or $3,850 More