This comprehensive factory service repair manual is specifically designed for the 1983 BMW 525 and 525i models. It contains hundreds of pages of detailed information, providing you with the complete technical specifications and repair procedures for every aspect of your vehicle. From engine maintenance and electrical systems to bodywork and suspension, this manual covers it all. You'll find detailed diagrams, exploded views, and step-by-step instructions to guide you through every repair task, ensuring you have the knowledge and confidence to tackle any challenge. Whether you are a professional mechanic or a dedicated DIY enthusiast, this manual is an invaluable resource for keeping your BMW 525 or 525i in top running condition.

The BMW 525i, produced from 1982 to 1988, was the embodiment of German engineering and luxury in the mid-size sedan segment. It was the successor to the E12 series and marked the debut of the iconic E28 generation. This model, distinguished by its sharp, angular lines and sleek profile, offered a compelling blend of performance, comfort, and refinement. Under the hood, the 525i featured a potent 2.5-liter naturally aspirated inline-six engine, codenamed M20, generating 170 horsepower. This powerful unit, coupled with a precise five-speed manual transmission or a smooth three-speed automatic, delivered an exhilarating driving experience. The BMW 525i's interior was a testament to German craftsmanship, featuring high-quality materials and meticulous assembly. Comfortable seats, a well-designed dashboard, and an array of advanced features for its time, such as air conditioning and a Blaupunkt stereo system, ensured a luxurious and enjoyable ride. The 525i also incorporated innovative safety features such as crumple zones and a robust chassis, setting a new standard for passenger protection in its class. While the 525i was known for its performance and comfort, it wasn't without its quirks. The M20 engine had a reputation for requiring meticulous maintenance, particularly in the timing chain department. Additionally, the electrical system could be temperamental, requiring specialized knowledge to troubleshoot. Despite these challenges, the BMW 525i established itself as a highly desirable and iconic car, leaving an enduring legacy as a classic example of German automotive excellence.