BMW has unveiled its new 6 Series Concept in Paris -- and it's a coupe. But don't take our word for it: There's video. Ian Robertson, BMW's head of sales and marketing, introduced the low-slung coupe, which references a 1971 BMW 2800 CS two door in several ways, including the slim pillars and undersized kidney grille, plus -- well, check out the video, after the jump, and let us know what you think of the concept.