This manual covers the 1984 BMW 5-series, chassis code E28, with production years spanning from 1981 to 1988. The E28 is a luxury executive sedan renowned for its driving dynamics, robust engineering, and understated luxury, embodying BMW's philosophy of performance and build quality. It offered a range of inline-4 and inline-6 engines, including the M30 and M20 families, with displacements varying from 2.0L to 3.5L, and was equipped with either manual or automatic transmissions. Notable variants include the M535i and the high-performance M5. The vehicle's design, characterized by sharp, angular lines, represented a significant evolution in BMW's sedan offerings, making it a benchmark in its class against competitors like the Mercedes-Benz W124 E-Class.

This comprehensive service and repair manual provides dealership-level technical information for all 1984 BMW 5-series (E28) models and variants. It covers all aspects of the vehicle, from routine scheduled maintenance, such as oil changes and fluid checks, to in-depth repair procedures for major overhauls of the engine, transmission, brakes, suspension, and electrical systems. The manual includes detailed diagnostic procedures, troubleshooting guides, and specific technical data, including torque specifications and clearances, accompanied by exploded views and circuit diagrams. Its purpose is to equip owners, mechanics, and technicians with the necessary knowledge to maintain, diagnose, and repair the E28 platform effectively, ensuring its longevity and optimal performance.