This manual covers the BMW M3, chassis code E30, specifically for the 1983 model year. Developed as a homologation special for Group A touring car racing, the M3 represents a significant achievement in performance engineering, combining a motorsport-derived S14 engine with a robust chassis and a driver-focused design. Its iconic status is recognized by automotive journals and enthusiasts alike, cementing its place as a benchmark for performance sedans and coupes of its era.

This comprehensive workshop service and repair manual provides detailed information for the maintenance, troubleshooting, and repair of your BMW M3. It covers all essential systems, including the S14 engine, Getrag 5-speed manual transmission, suspension, brakes, steering, and electrical systems. With in-depth procedures for routine maintenance, engine rebuilds, and complex diagnostics, this manual is an indispensable resource for owners and technicians aiming to preserve the performance and integrity of this legendary vehicle.