The initial turbodiesel concept car was unveiled at the 2009 International Motor Show Germany, In 2010, BMW announced the mass production of the Vision Efficient Dynamics concept in Leipzig beginning in 2013 as the BMW i8. The BMW i8 gasoline-powered concept car destined for production was unveiled at the 2011 Frankfurt Motor Show. The production version of the BMW i8 was unveiled at the 2013 International Motor Show Germany. The following are the concept and pre-production models developed by BMW that preceded the production version. When BMW I sponsored the ABB FIA Formula E World Championship, they announced that they would provide support vehicles; the i8 operated as the official safety car.