The BMW i3 begins production - 0 views
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The stator, which forms the inner core of the motor, consists of around two kilometres of wound copper wire. Unlike other electric motors in the same power class, the motor of the BMW i3 is very small and compact due to the specially configured winding of the copper wiring. This results in further weight and space savings. Before the rotor is fitted in the interior housing, it receives a thin coating of resin.