BMW ≫ 7-SeriesBMW 7-Series (E23 first-gen, G12 sixth-gen) photos side by sideby Joshua ThompsonThe BMW 7-Series has grown a lot since its 1977 introduction, and has gone from a 6-cylinder only model to feature I4, I6, V8 and V12 engines. ◄ PrevNext ►Credit: BMW 2017 BMW 7-Series 40 Jahre and E23 BMW 7-Series - front Tags:7-seriesbmwe23first generationg12sixth generation