This manual covers the BMW 5 Series, specifically the 518 and 518i models with the E34 chassis, produced for the 1990 and 1991 model years. Known for its refined engineering and driver-centric design, the E34 generation represented a significant evolution in BMW's executive sedan offerings. These models, powered by the 1.8-liter M10 inline-4 engine, whether carbureted or fuel-injected, provided a balance of performance and efficiency, embodying BMW's commitment to driving dynamics and build quality. This comprehensive guide is intended for global markets, with a primary focus on European and North American configurations.

This complete service and repair manual provides detailed, professional-level information for maintaining and repairing your 1990-1991 BMW 518 or 518i. It encompasses all styles and configurations, offering in-depth coverage of the engine, fuel system, cooling, ignition, exhaust, transmission (manual and automatic), drivetrain, suspension, steering, braking, and electrical systems. Included are step-by-step procedures for routine maintenance, troubleshooting, component repair, and even rebuilds, supported by abundant diagrams, illustrations, and precise technical specifications. The manual is fully searchable and printable, designed to be an indispensable resource for owners and technicians alike.