This manual covers the BMW 5-series, chassis code E34, produced from 1987 to 1996, with a specific focus on the 1990 model year. The E34 is renowned as an executive and luxury sports sedan, embodying BMW's philosophy of "The Ultimate Driving Machine." It is celebrated for its exceptional build quality, German engineering, and engaging driving dynamics, offering a refined experience with powerful inline-six and V8 engine options. The vehicle was designed for affluent buyers seeking a blend of performance, comfort, and advanced technology for its era, competing with established luxury marques.

This comprehensive Service and Repair Manual provides detailed, dealer-level technical information for all aspects of the BMW 5-series E34. It covers all models and repairs A-Z, including complete engine overhaul, fuel, cooling, exhaust, transmission, brakes, suspension, steering, and electrical systems. You will find step-by-step repair instructions, diagnostic procedures, troubleshooting guides, and essential technical specifications such as torque values and fluid requirements. This manual is an indispensable resource for owners and professional technicians alike, ensuring proper maintenance and repair for optimal performance and longevity.