This manual covers the BMW E30 M3, produced from 1986 to 1992. Developed by BMW Motorsport GmbH, this iconic homologation special was engineered for Group A touring car racing, resulting in a pure driver's car renowned for its balanced chassis, precise steering, and exceptional handling. Key features include distinctive aerodynamic enhancements like box flares and a rear spoiler, a high-revving 2.3-liter S14 inline-4 engine, and a standard limited-slip differential. Its performance focus and motorsport pedigree have made it a highly sought-after modern classic.

This comprehensive service and repair manual provides detailed information for maintaining and repairing your BMW E30 M3. It covers all major systems, including the engine, transmission, chassis, suspension, brakes, and electrical systems. Procedures for scheduled maintenance, troubleshooting, and complete component overhauls are thoroughly explained, offering guidance for owners and technicians alike. The manual includes essential technical specifications, torque values, and diagnostic procedures to ensure the longevity and optimal performance of your vehicle.