High Quality Content by WIKIPEDIA articles! The BMW Concept X6 ActiveHybrid is the concept vehicle of BMWs first full-hybrid vehicle and was revealed at the Internationale Automobil-Ausstellung Frankfurt in September 2007. BMWs first mild-hybrid BMW Concept 7 Series ActiveHybrid was revealed at the Paris Motor Show in October 2008. Both cars will make their market debuts at the end of 2009 and can drive in electrical mode at low speeds.