Book excerpt: A definitive guide to the iconic BMW GS, the model that revolutionized the dual-purpose adventure bike in 1980. Combining all-terrain capability, high performance and on-road ride comfort, the GS is the bestselling large-capacity motorcycle in the UK and is still evolving today. Including comprehensive specification details, owners' experiences and previously unseen pictures, BMW GS - The Complete Story covers the original R80G/S and its impact on the industry; design and development of all the updated models; radical engineering concepts and technology; worldwide racing success for the GS and finally, the all-new R1200GS of 2013 and the future of the GS. Superbly illustrated with 196 colour and 8 black & white illustrations, many previously unseen.