This workshop service manual provides comprehensive guidance for the BMW M3 (E30) models produced between 1986 and 1992. Renowned as an iconic performance sedan and a homologation special for motorsport, the E30 M3 is celebrated for its track-tuned suspension, powerful naturally aspirated S14 engine, and driver-focused design, stemming directly from its lineage to E30 M3 race cars. Its unique body panels, including fender flares and a distinctive rear spoiler, set it apart and contribute to its aerodynamic efficiency and motorsport heritage.

This manual serves as an essential resource for owners, mechanics, and technicians, covering all aspects of maintenance, diagnosis, and repair. It details procedures for the powertrain, chassis, electrical systems, and body, including scheduled maintenance, engine overhauls, transmission rebuilds, and complex electrical diagnostics. With over 1000 pages of high-resolution factory documentation, this English-language workshop manual offers in-depth technical specifications, torque values, and troubleshooting guides to ensure the optimal performance and longevity of your BMW M3.