This manual covers the BMW R100 series of motorcycles, produced between 1978 and 1996. The R100 is characterized by its robust, air-cooled, horizontally opposed twin-cylinder boxer engine, shaft drive, and tubular steel frame, embodying BMW's legacy of engineering excellence and durability. These models were designed for a range of uses, from touring and sport-touring to more adventurous riding, and are celebrated for their quality, reliability, and unique riding characteristics. The R100 represents an evolution of BMW's iconic boxer platform, offering a blend of performance and comfort that made it a distinguished competitor in the large-displacement motorcycle market of its time.

This comprehensive Workshop Service Manual (WSM) provides detailed guidance for the maintenance, repair, and troubleshooting of your BMW R100 motorcycle. It covers all major systems, including the engine, transmission, chassis, suspension, brakes, and electrical system, with specific procedures for routine maintenance, major repairs, and the identification of special tools. The manual's scope extends from basic owner upkeep, such as oil changes and valve adjustments, to in-depth engine and gearbox overhauls. Its purpose is to equip owners, mechanics, and technicians with the necessary technical information, specifications, and step-by-step instructions to ensure the R100 remains in optimal condition and performs reliably throughout its service life.