This comprehensive and detailed factory service repair manual provides you with everything you need to maintain and repair your 1981 BMW 525 525i. Covering hundreds of pages with in-depth instructions and illustrations, this manual offers a complete guide to every aspect of your vehicle, including engine, transmission, electrical system, brakes, suspension, and more. With this manual, you'll have access to the same information used by professional mechanics, enabling you to perform a wide range of services and repairs yourself, saving you time and money.

The 1981 BMW 525 and 525i, part of the E12 generation of the 5 Series, are iconic examples of German engineering and design. These sedans, built between 1977 and 1981, offered a compelling blend of performance, luxury, and handling. The 525 was powered by a 2.5-liter inline-six engine, producing 113 horsepower, while the 525i boasted a fuel-injected version of the same engine, generating 150 horsepower. Both variants featured a 4-speed manual transmission as standard, with a 3-speed automatic option. The E12 generation was known for its crisp handling thanks to its independent suspension and precise steering. Its elegant, timeless design, with its distinctive kidney grille and flowing lines, still captivates car enthusiasts today. Beyond the mechanical aspects, the BMW 525/525i of 1981 offered a level of luxury uncommon for the time. The interior featured plush leather seats, wood trim, and a well-appointed dashboard with a focus on ergonomics. The emphasis on driver comfort and control was evident in features like power steering, air conditioning, and a high-quality sound system. These cars were designed for those who sought a rewarding driving experience, blending power, precision, and comfort. The 1981 BMW 525 and 525i served as a stepping stone in the evolution of the iconic 5 Series, laying the foundation for the brand's reputation for luxury, performance, and driving excellence that continues to this day.