This comprehensive service repair manual provides a wealth of information to guide you through every aspect of repairing, maintaining, rebuilding, refurbishing, or restoring your BMW 525i E28, covering models from 1981 to 1988. The manual is meticulously detailed, spanning hundreds of pages and encompassing a vast array of topics. You'll find in-depth instructions on engine repair, transmission maintenance, electrical system troubleshooting, brake system overhaul, suspension component replacement, bodywork procedures, and much more. With its detailed diagrams, clear instructions, and comprehensive troubleshooting sections, this manual empowers you to tackle any repair or maintenance task with confidence.

The BMW 525i E28, produced from 1981 to 1988, represents a significant milestone in the evolution of the iconic 5 Series. This generation, codenamed E28, marked a departure from the angular, boxy styling of its predecessor, the E12. The E28 introduced a sleek, aerodynamic design, with flowing lines and a more sophisticated overall aesthetic. Underneath the stylish exterior, the 525i boasted a refined driving experience, thanks to its powerful engine and advanced suspension. The 525i was powered by a 2.5-liter inline-six engine, generating a respectable 150 horsepower. This engine provided a smooth and effortless acceleration, paired with a comfortable and responsive ride, contributing to the car's reputation as a refined and capable machine.

The E28 marked a significant evolution in terms of technology and safety features. It was among the first BMWs to feature an on-board computer for vehicle diagnostics and a comprehensive range of safety features, including disc brakes on all four wheels, an anti-lock braking system (ABS), and optional airbags. These innovations further cemented the 525i's position as a modern and advanced automobile. The E28's interior was designed to offer both practicality and luxury. It featured comfortable seating, a spacious cabin, and high-quality materials. Its dashboard was intuitive and driver-focused, offering a clear view of all vital information. The 525i's reputation for quality, performance, and luxury made it a popular choice among discerning drivers, and it remains a sought-after classic car today.