This comprehensive factory service repair manual is specifically designed for the 1991 BMW 525 and 525i models. It provides detailed instructions and technical specifications covering virtually every aspect of these vehicles. From routine maintenance procedures to complex repair tasks, this manual empowers you to diagnose, service, and repair your BMW with confidence. Explore in-depth information on engine, transmission, electrical systems, suspension, brakes, bodywork, and more. With hundreds of pages packed with step-by-step instructions, illustrations, and diagrams, this manual is an indispensable resource for both professional mechanics and dedicated DIY enthusiasts.

The 1991 BMW 525i, a model in the fifth generation of the BMW 5 Series, represents a period of significant refinement and evolution for the German automaker. This iteration of the 5 Series, internally known as the E34, was a departure from its predecessor, adopting a more aerodynamic and softer design language. The 525i was powered by a 2.5-liter inline-six engine, a hallmark of BMW engineering known for its smooth power delivery and eager revving. The engine produced 170 horsepower, coupled with a five-speed manual or a four-speed automatic transmission, allowing for spirited performance and a comfortable cruising experience. The 525i featured a sophisticated suspension system, known for its balance between handling prowess and ride comfort. This combination, along with the car's precise steering and effective brakes, made it a well-rounded and enjoyable driving experience. The 1991 525i came equipped with standard features like power windows, power locks, air conditioning, and a premium sound system, reflecting the car's focus on luxury and comfort. The interior was spacious and ergonomically designed, with high-quality materials throughout. This generation of the 5 Series also introduced advanced safety features like driver and passenger airbags, anti-lock brakes, and seatbelt pretensioners, highlighting BMW's commitment to safety. The 1991 BMW 525i, with its blend of performance, luxury, and safety, became a popular choice among discerning drivers, cementing its reputation as a quintessential luxury sedan. Its elegant design, refined driving dynamics, and comfortable interior still appeal to enthusiasts today, making it a sought-after classic.