This manual covers the BMW M3 E30, produced from 1986 to 1991. Developed as a homologation special for Group A Touring Car racing, the M3 E30 is renowned for its motorsport lineage, exceptional handling, and distinctive aerodynamic enhancements, including flared arches and a rear spoiler. It features a unique 2.3-liter S14 inline 4-cylinder engine, derived from BMW's M10 block, delivering up to 192 horsepower and paired with a Getrag 265 5-speed manual transmission featuring a dogleg first gear. This performance-oriented vehicle, built on the E30 3 Series chassis, offers a compelling blend of engineering prowess and driving engagement, making it a significant model in BMW's history and a coveted car for enthusiasts.

This comprehensive service and repair manual provides detailed information for the BMW M3 E30. It covers all essential systems, including the powertrain, drivetrain, chassis, and electrical components, offering expert-level guidance for diagnostics, maintenance, and repair. Within its extensive pages, you will find step-by-step procedures for scheduled maintenance, engine and transmission overhauls, brake and suspension repairs, and electrical system troubleshooting. The manual also includes crucial technical specifications, torque values, and diagnostic flowcharts, ensuring that owners, mechanics, and technicians have the necessary resources to maintain the vehicle's performance and longevity.