This comprehensive repair service manual provides detailed information on all aspects of maintaining and repairing your BMW 525i from model years 1981 to 1991. The manual includes step-by-step procedures, diagrams, and specifications for a wide range of tasks, from routine maintenance like oil changes and filter replacements to more complex repairs like engine overhauls and transmission rebuilds. You'll find everything you need to keep your BMW running smoothly, including information on:

* **Engine:** Covers all aspects of the engine, including the fuel system, ignition system, cooling system, and exhaust system.
* **Transmission:** Details on both automatic and manual transmissions, including troubleshooting and repair procedures.
* **Brakes:** In-depth information on the braking system, including calipers, rotors, pads, and hydraulics.
* **Suspension:** Provides guidance on maintaining and repairing the suspension system, including struts, shocks, springs, and control arms.
* **Electrical System:** Covers the electrical system, including the wiring diagrams, troubleshooting procedures, and repair information for components such as the starter, alternator, and lighting system.
* **Bodywork:** Includes information on the bodywork, including the doors, fenders, and bumpers.
* **Interior:** Covers the interior of the car, including the seats, dashboard, and other interior components.
* **Troubleshooting:** Offers detailed troubleshooting guides for common problems.

This repair manual is an essential resource for anyone who wants to keep their BMW 525i in top condition.

The BMW 525i, produced from 1981 to 1991, represents a significant milestone in the evolution of the German automaker's iconic mid-size sedan. This generation, known internally as the E28, marked a departure from the more conservative styling of its predecessors, introducing a more angular and aerodynamic design that would become synonymous with BMW's sporting aesthetic. The 525i was powered by a 2.5-liter six-cylinder engine, offering a balance of performance and fuel efficiency. This engine, coupled with the car's refined handling and comfortable interior, solidified the 5 Series as a desirable choice for both discerning drivers and those seeking a practical yet stylish daily companion.

The E28 525i was available in various trim levels, offering different levels of luxury and equipment. Standard features included power steering, disc brakes, and a comfortable interior with plush seating. Higher trim levels added features like air conditioning, leather upholstery, and a range of electronic conveniences. Notably, the E28 was lauded for its exceptional handling and precise steering, thanks to its well-engineered suspension and rear-wheel drive layout. This combination made the 525i a true driver's car, capable of carving corners with confidence and providing a genuinely engaging driving experience. Despite its age, the E28 525i remains a coveted classic among BMW enthusiasts, appreciated for its timeless design, refined driving characteristics, and enduring quality.