This comprehensive service manual provides detailed instructions and specifications for maintaining and repairing your 2004 BMW R 1100 S motorcycle. From routine maintenance tasks like oil changes and filter replacements to complex engine and transmission repairs, this manual equips you with the knowledge and guidance to perform a wide range of services. It includes step-by-step procedures, clear illustrations, wiring diagrams, and torque specifications, making it easy to understand and follow. Whether you're a seasoned mechanic or a dedicated DIY enthusiast, this manual serves as an invaluable resource for keeping your BMW R 1100 S in peak condition.

The BMW R 1100 S, launched in 2003 as a 2004 model year, marked a pivotal moment in the evolution of BMW's sportbike lineage. This model was the first true sportbike to emerge from the Bavarian manufacturer, aiming to challenge the dominance of Japanese competitors. It built upon the robust and reliable foundation of the R 1100 R, sharing its air-cooled boxer engine and sturdy frame. However, the R 1100 S underwent significant transformations to achieve its intended purpose: a potent and agile sportbike. The iconic boxer engine, known for its smooth power delivery and torque, was tuned for higher performance, delivering 98 horsepower at 7,750 rpm. The suspension was thoroughly reworked, featuring fully adjustable upside-down forks and a single-sided swingarm with a monoshock rear suspension. These modifications allowed the R 1100 S to carve corners with impressive agility and stability. The ergonomics also received a sporty makeover, with a low-slung riding position and a more aggressive handlebar. The R 1100 S made a bold statement in the world of sportbike design. The sleek, aerodynamic fairings, featuring a distinctive "beak" design, were a departure from the more traditional lines of typical BMW motorcycles. The fairing design, inspired by the world of racing, contributed to the bike's aerodynamic efficiency while also emphasizing its aggressive and sporty character. Furthermore, the R 1100 S was equipped with an extensive range of high-quality components, including Brembo brakes, a large digital instrument panel, and optional extras such as ABS and heated grips. Despite its focus on performance, the R 1100 S retained the renowned reliability and build quality that BMW motorcycles are known for. This combination of performance, handling, and durability made the R 1100 S a compelling choice for both experienced and aspiring sportbike enthusiasts.