This comprehensive BMW 5-Series (E28) 525i Service Repair Manual covers all models produced between 1981 and 1988. Designed for both experienced mechanics and DIY enthusiasts, this manual provides detailed instructions and high-quality diagrams to guide you through every repair and maintenance procedure. The manual delves into a wide range of topics, including general information and periodic maintenance schedules. You'll find detailed sections on the engine, fuel system, throttle body, cooling and lubrication systems, chassis, electrical system, servicing procedures, emission control information, and wiring diagrams. This manual is your complete guide to keeping your BMW 5-Series (E28) 525i running smoothly and efficiently. This manual is identical to the one used by professional service shops, ensuring you have access to the most up-to-date and accurate information available. With this manual, you can save time and money by tackling repairs yourself, while having the confidence that you're using the right information and procedures.

The BMW 5-Series (E28) 525i, produced from 1981 to 1988, was a significant milestone in the evolution of the iconic German automaker's mid-size luxury sedan lineup. It represented a departure from the boxy styling of its predecessor, the E12, embracing a more aerodynamic and sophisticated design language. The E28 featured a sleeker, more streamlined profile, with sharp lines and a prominent front grille that became a defining characteristic of future BMW models. Under the hood, the 525i was powered by a robust 2.5-liter inline-six engine, delivering a smooth and responsive driving experience. This engine, known for its reliability and performance, produced 150 horsepower, propelling the 525i to a top speed of 124 mph. The E28 also introduced a number of technological advancements, including a sophisticated suspension system that offered exceptional handling and ride comfort, as well as advanced braking technology for increased safety. Beyond its mechanical prowess, the E28 525i was renowned for its luxurious interior. Featuring high-quality materials and meticulous craftsmanship, the cabin provided a sophisticated and comfortable environment for both driver and passengers. The spacious and well-appointed interior boasted premium leather upholstery, wood trim accents, and a comprehensive range of comfort and convenience features. The E28 525i's blend of performance, luxury, and practicality solidified its reputation as a true driving machine, establishing a benchmark for the mid-size luxury sedan segment. Its enduring popularity among car enthusiasts and collectors is a testament to its timeless design, exceptional performance, and enduring legacy as a classic BMW model.