This manual covers the 525, chassis code E28, produced from 1981 to 1988. The E28 generation represented dedication to luxury, performance, and superior engineering within the executive sedan market of its time. Known for its balanced chassis, potent M30 inline-six gasoline engines, and driver-focused interior, the 525 exemplified the "Sheer Driving Pleasure" philosophy, offering robust build quality and refined driving dynamics that set it apart from competitors like the Mercedes-Benz W123/W124 and Audi 100/200.

This comprehensive Service Repair Workshop Manual provides detailed information for the maintenance, diagnosis, and repair of the 525 E28. Its scope includes routine maintenance procedures, in-depth engine overhaul instructions, transmission servicing for both manual and automatic gearboxes, brake system repairs, suspension and steering system maintenance, and electrical system troubleshooting. The manual is designed to assist owners, mechanics, and technicians by offering critical torque specifications, diagnostic flowcharts, and step-by-step guidance for a wide range of repair tasks, ensuring the longevity and optimal performance of the vehicle.