This comprehensive BMW 525 525i 1981 Service Repair Workshop Manual provides detailed instructions for servicing and repairing your vehicle. The manual covers all major repair topics, including engine, transmission, brakes, suspension, electrical systems, and more. With its clear and concise language, accompanied by numerous illustrations and diagrams, this manual is an indispensable resource for both professional mechanics and DIY enthusiasts. Gain access to the same detailed information used by mechanics worldwide and ensure your BMW 525 525i is maintained in optimal condition. This manual will empower you to tackle a wide range of repair tasks with confidence, saving you time and money in the long run.

The BMW 525i, produced from 1977 to 1981, represents a pivotal moment in the evolution of the iconic German marque. This mid-sized executive sedan, part of the E12 generation, marked a significant departure from the previous generation, introducing a sleeker and more modern design language. Featuring a 2.5-liter, six-cylinder engine, the 525i showcased BMW's commitment to performance and refinement. This engine, with its M20 code, delivered a potent 150 horsepower, propelling the car to a respectable top speed of 124 mph. The 525i also incorporated a host of innovative features for its time, including a MacPherson strut front suspension and a semi-trailing arm rear suspension, providing a comfortable and controlled ride. Beyond its mechanical prowess, the 525i exuded an air of sophistication and practicality. Its spacious interior, designed with driver comfort and functionality in mind, offered generous legroom and a high-quality dashboard. The inclusion of features like power windows, air conditioning, and a premium sound system further enhanced the driving experience. The 525i's balanced performance, combined with its elegant aesthetics and refined interior, established it as a formidable competitor in the burgeoning executive sedan market. The enduring legacy of the E12 525i lies in its role as a benchmark for its time, paving the way for future generations of BMW's successful 5 Series models.