The BMW 518i (E28) is a 1985 model that represents BMW's entry-level luxury sedan offering, known for its exceptional German engineering, renowned driving dynamics, and timeless design. This model competed in the mid-size luxury sedan market, praised for its balanced handling and refined ride. The 518i, powered by a 1.8-liter M10 inline-four engine with Bosch fuel injection, provided a blend of BMW prestige and accessibility, making it a significant model in the E28 lineage which succeeded the E12.

This comprehensive workshop service and repair manual provides detailed guidance for the full service and repair of the 1985 BMW 518i (E28). It covers essential maintenance procedures, troubleshooting, diagnostics, and overhaul instructions for all major vehicle systems, including the engine, transmission, brakes, suspension, steering, and electrical components. The manual is designed to assist owners, mechanics, and technicians in maintaining the vehicle's performance, reliability, and safety, offering in-depth information and diagnostic procedures.