This manual covers the BMW M3, chassis code E30, produced in 1989. As the First Generation E30 M3, this vehicle is celebrated as a homologation special developed for racing, featuring unique wider fenders, revised suspension geometry, and a stiffer chassis compared to standard E30 models. It is powered by the legendary S14B23 engine, a derivative of BMW's Formula 1 engine technology, delivering exceptional driving dynamics and a motorsport pedigree that has cemented its iconic status in automotive history.

This comprehensive workshop manual provides detailed service and repair information for all major mechanical and electrical systems of the BMW E30 M3. It includes procedures for engine maintenance and overhaul, drivetrain components, suspension, brakes, steering, and the complete electrical system, along with bodywork. The manual offers extensive coverage of scheduled maintenance, troubleshooting guides, diagnostic procedures, and precise technical specifications, ensuring owners and technicians can effectively maintain and repair this performance vehicle.