This workshop service repair manual covers the BMW 5 Series, specifically the 520 and 520i models with the E34 chassis code, for the production years 1988 through 1991. Known for its sophisticated engineering and focus on driving dynamics, the E34 5 Series offered a blend of luxury and performance, often competing with established European executive sedans. The 520 and 520i variants, typically powered by a 2.0-liter inline 6-cylinder engine, provided a balance of BMW's signature driving experience with a more accessible engine displacement, making them a popular choice in various markets. This manual details the comprehensive engineering quality and reliability expected from BMW vehicles of this era.

This 227-page manual provides detailed guidance for the maintenance, repair, and troubleshooting of the BMW 520/520i E34. It covers all essential vehicle systems, including engine mechanicals and management for the M50B20 engine, transmission, suspension, brakes, electrical systems, bodywork, and HVAC. The manual includes routine maintenance schedules, fluid specifications, diagnostic procedures, and step-by-step repair instructions for component overhaul and replacement. Its comprehensive scope is designed to assist owners, independent repair shops, and professional technicians in maintaining the optimal performance and longevity of their vehicle.