The Art of BMW: 90 Years of Motorcycle Excellence presents stunning studio portraiture of the rolling sculpture that BMW has been creating for the past 90 years. Each bike portrait is accompanied by a concise, authoritative profile of the machine. All the classic bikes are here - pre-World War II BMWs like the R5 that defined performance in that era; the military R12 that carried the Wehrmacht as it blitzkrieged its way across Europe; the R75M that accompanied Rommel's Panzers in North Africa; the Earles-forked R69S that offered the perfect platform for mounting a Steib sidecar; the R90S cafe racer; the K1 "flying brick"; and the GS (Gelande Sport) series that launched a dual-sport revolution. All the bike families are covered - the side-valve machines from the early years, the early overhead-valve performance bikes, the postwar Airheads and Oilheads, the four-cylinder and six-cylinder touring bikes, the early pushrod singles, the modern overhead-cam singles, the latest parallel...