The BMW R1150RT is a premium sport touring motorcycle, representing the second generation of BMW's R Series boxer-twin platform. Produced with its predecessor and successor, it is known for its robust engineering, comfort-focused design, and long-distance touring capabilities. Key features include a powerful air/oil-cooled boxer-twin engine, BMW's distinctive Telelever front suspension and Paralever rear drive system, and an optional Integral ABS II braking system. Designed for riders who demand performance and comfort on extended journeys, the R1150RT offers features such as an adjustable electric windshield and integrated luggage, solidifying its reputation in the sport touring segment. This comprehensive service and repair manual provides detailed diagnostic and repair procedures in English, tailored for technicians, mechanics, and advanced DIY enthusiasts. It covers all essential systems of the R1150RT, including engine, transmission, drivetrain, chassis, suspension, braking, and electrical systems, along with bodywork and fairings. The manual includes step-by-step maintenance instructions, troubleshooting guides for common and uncommon faults, and complete rebuild procedures for major components. Its extensive coverage ensures that owners and professionals have the necessary information, including special tool usage and accurate electrical schematics, to maintain, diagnose, and repair the vehicle effectively.