This manual covers the BMW 3 Series (E30) and 5 Series (E28, E34) models produced between 1981 and 1991. These vehicles represent a significant era for BMW, celebrated for their exceptional driving dynamics, robust engineering, and driver-focused design. Known for their balanced chassis, responsive steering, and refined inline-four and inline-six gasoline engines, these models solidified BMW's reputation as a manufacturer of premium, performance-oriented automobiles. They offered a compelling blend of sporty appeal and everyday usability, setting benchmarks in the luxury and performance sedan segments of their time.

This comprehensive factory-authorized service manual provides detailed information essential for the maintenance, repair, and troubleshooting of your BMW. It covers a wide range of systems, including engine overhaul for 4- and 6-cylinder gasoline engines, fuel and emission controls, cooling and lubrication systems, transmission and drivetrain, suspension, steering, brakes, and electrical systems. With over 1000 pages of content, including detailed wiring diagrams and diagnostic procedures, this manual is an invaluable resource for owners, mechanics, and technicians seeking to preserve the performance and longevity of their E30, E28, or E34 BMW.