This manual covers the BMW 5 Series, specifically the 518 and 518i models from 1990, part of the Second Generation (E34). Known for its exceptional driving dynamics, refined inline-six engines, and solid build quality, the E34 represented BMW's commitment to performance and luxury in the mid-size sedan segment. The 518i, often an entry-level offering, provided the core 5 Series experience with its conservative styling and emphasis on a balanced ride and handling, powered by the reliable M20B20 2.0L inline-six engine. This generation competed with other luxury marques, aiming to deliver a superior driving experience and sophisticated engineering.

This comprehensive service and repair workshop manual is designed for professional mechanics and automotive enthusiasts. It provides detailed information on all major vehicle systems, including engine mechanicals, fuel injection, transmissions (manual and automatic), drivetrain, suspension, steering, brakes, and the electrical system. The manual includes step-by-step repair procedures, diagnostic guidance, scheduled maintenance schedules, and essential technical specifications, such as torque values and fluid requirements for the M20B20 engine and associated components. Its purpose is to facilitate accurate maintenance, troubleshooting, and repair, ensuring the longevity and optimal performance of your 1990 BMW 5 Series.