This manual covers the BMW Parts Catalogue and Repair information for historic BMW motorcycles manufactured between 1948 and 1969. It encompasses a wide range of iconic models, including the R 24, R 25 series, R 51 series, R 67 series, R 68, R 50 series, R 60 series, and R 69 series. These motorcycles are characterized by their robust engineering, featuring air-cooled, horizontally opposed twin-cylinder (Boxer) engines and shaft drive transmissions. This period represents a crucial era in BMW's motorcycle history, marked by innovation and the establishment of enduring design principles.

The scope of this bilingual (German/English) parts catalogue and repair manual is comprehensive, focusing on detailed parts identification, assembly diagrams, and exploded views. It provides an explanation of the part numbering system, which is essential for sourcing correct components for maintenance, restoration, and repair. While not a step-by-step repair guide, it serves as an invaluable reference for owners, mechanics, and technicians working on these classic BMW motorcycles, ensuring the accurate identification and understanding of all components within the engine, transmission, chassis, electrical system, and bodywork.