The Complete Book of BMW Motorcycles offers a thorough year-by-year guide to every production machine ever built by Germany&;s leading motorcycle manufacturer. From the first model, the 1923 R32 that launched BMW's motorcycle dynasty, to the latest (and fastest) superbike, the S1000RR, this book captures nearly a century of motorcycling excellence in a combination of historic and contemporary photos. Technical specs are provided for each model. This comprehensive review covers all of BMW's bike families: The side-valve machines from the early yearsThe early overhead-valve performance bikesThe modern Airheads and OilheadsThe four-cylinder and six-cylinder touring bikesThe early pushrod singlesThe modern overhead-cam singlesThe latest parallel twins, and inline-four cylinder sport bikesAmong them, you'll find all the classic bikes&;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 Earles-forked R69S that offered the perfect platform for mounting a Steib sidecar; the R90S café racer; the K1 &;flying brick&;; and the GS (Gelände Sport) series that launched a dual-sport revolution right up to today&;s world-class S100RR and retro-inspired R nine T. Like the other titles in Motorbooks' Complete Book series, this guide to BMW's motorcycle output offers the most complete reference to the subject available.