The BMW 8 Series has returned to the German firm’s lineup after a near 20-year absence. A two-door coupe will be the first of three body styles that will make up the range, which will grow to include a convertible as well as four-door Gran Coupe by the end of next year.br br Auto Express was invited for an exclusive preview of the new two-door coupe, which is on sale now. Can it really challenge sports cars like the Porsche 911 and luxury GTs like the Mercedes S-Class Coupe?br br SUBSCRIBE for more great car videos: BMW 8 Series full story: Get 6 issues of Auto Express magazine for £1: br More Auto Express videosbr Car reviews playlist: Mercedes E63 AMG video review: Volvo V90 video review: br More on AutoExpress.co.