The BMW R850R (R21), produced between 1996 and 2001, is a versatile motorcycle known for its balanced performance, comfort, and the signature BMW boxer twin engine. This model offered a more accessible entry into the BMW boxer experience, competing with other mid-weight naked and sport-touring motorcycles. Key features include its air/oil-cooled, 848 cc boxer twin engine, shaft drive, and a tubular steel frame contributing to its stable handling and comfortable ride. The R850R was designed for both everyday commuting and touring, embodying BMW's reputation for engineering quality and reliability.

This comprehensive service and repair manual provides in-depth technical information for the BMW R850R motorcycle. Covering over 400 pages, it details essential maintenance procedures, troubleshooting guidance, and repair techniques for all major systems, including the engine, fuel injection, transmission, electrical systems, braking, and suspension. The manual is structured to assist owners, mechanics, and technicians in performing routine maintenance, diagnostics, and complex repairs, ensuring the longevity and optimal performance of the vehicle. It includes specific service data, diagnostic procedures, and information on required special tools.