The 1981 BMW 528i, designated by the E28 chassis code and powered by the M30B28 engine, represents a pinnacle of late 1970s and early 1980s performance luxury. As a luxury mid-size sedan, it was renowned for its strong inline-six engine, sporty handling, and exceptional build quality, embodying BMW's commitment to driver-focused engineering. Designed for durability and longevity, the 528i offered a compelling balance of performance and refinement, making it a highly regarded model in its era and a sought-after classic today.

This comprehensive service and repair manual provides detailed guidance for the 1981 BMW 528i. It covers all essential aspects of maintenance, from routine oil changes and filter replacements to in-depth engine and transmission overhauls. The manual includes extensive information on the fuel, ignition, exhaust, drivetrain, suspension, steering, and braking systems, as well as the electrical system and comfort features. With detailed procedures, diagnostic information, torque specifications, and clear illustrations, this manual is an indispensable resource for owners, mechanics, and technicians aiming to maintain and repair this iconic vehicle.