This comprehensive service and repair manual covers a range of BMW motorcycle models, including the R1100S, R850, 1200C, and R1150 GS, encompassing model years from 1999 to 2005. The manual provides detailed instructions and illustrations for every aspect of maintenance and repair, from routine servicing to complete engine rebuilds. Its in-depth coverage empowers you to tackle any repair with confidence, saving you both time and money. You'll find detailed diagrams and explanations for each component, making it easy to identify parts and understand their functions. Whether you're a seasoned mechanic or a DIY enthusiast, this manual is an invaluable resource for ensuring your BMW motorcycle runs smoothly and reliably.

The BMW R1100S, R850, 1200C, and R1150 GS motorcycles represent a diverse range of models within BMW's iconic Boxer engine lineage, each catering to specific riding styles and preferences. The R1100S, launched in 1998, was BMW's first true sportbike, featuring a powerful 1,085cc air-cooled Boxer engine, a lightweight aluminum frame, and aggressive sportbike ergonomics. The R850, introduced in 1993, was a more approachable and affordable entry point into the BMW Boxer world, offering a 850cc engine with a more relaxed riding position. The 1200C, available from 1995 to 2004, was a cruiser-style motorcycle with a 1,170cc Boxer engine, offering a comfortable riding experience with classic cruiser styling. Finally, the R1150 GS, produced from 1999 to 2004, was a rugged adventure touring motorcycle, featuring a 1,130cc Boxer engine, a high-mounted exhaust, and long-travel suspension for off-road capability. Each of these models, despite their varying purposes, embodied BMW's reputation for exceptional engineering, robust construction, and refined handling.

These BMW motorcycles share a common heritage of air-cooled Boxer engines, known for their smooth power delivery, characteristic rumble, and reliable operation. However, each model also boasts unique features that cater to its specific niche. The R1100S is renowned for its handling prowess and sporty performance, while the R850 is appreciated for its user-friendliness and affordability. The 1200C offers a comfortable and relaxed cruiser experience, while the R1150 GS excels in its adventure touring capabilities. Despite their differences, all of these BMW motorcycles remain highly sought-after by riders who value quality, performance, and a unique riding experience. Their enduring appeal stems from a combination of robust construction, innovative technology, and a timeless design aesthetic that has made BMW a leader in the motorcycle industry.