This comprehensive workshop repair service manual provides detailed technical information for your 1987 BMW 525 and 525i. The manual covers all models, engines, trim levels, and transmission types, making it an essential resource for mechanics, technicians, and serious DIY enthusiasts. It includes step-by-step instructions, diagrams, and specifications for a wide range of repairs and maintenance procedures. The manual covers everything from routine servicing like oil changes and filter replacements to complex engine and transmission overhauls. You'll find detailed information on electrical systems, brakes, steering, suspension, bodywork, and more. With its detailed instructions and clear illustrations, this manual will help you diagnose problems, understand the workings of your BMW, and perform repairs confidently.

The BMW 525i, produced from 1987 to 1991, was a pivotal model in the brand's history, representing a significant evolution of the popular E28 5 Series. This fourth generation 5 Series, internally designated E34, introduced a slew of improvements over its predecessor, focusing on refinement, performance, and safety. The 525i was powered by a 2.5-liter naturally aspirated inline-six engine, codenamed M20B25, producing 170 horsepower and 166 lb-ft of torque. This engine, known for its smooth and responsive nature, was paired with a 5-speed manual or a 4-speed automatic transmission, sending power to the rear wheels. While not as powerful as its larger engined siblings like the 535i, the 525i offered a balanced mix of performance and fuel efficiency. The E34 5 Series featured a comprehensive redesign, focusing on aerodynamics and a more modern aesthetic. The vehicle benefited from a spacious and comfortable interior, with high-quality materials and an emphasis on ergonomics. Safety was also paramount, with standard features including ABS and driver and passenger airbags. The 525i, known for its precise handling and responsive steering, enjoyed a reputation for both comfort and driving pleasure. It offered a high level of practicality, featuring a large trunk and comfortable rear seating, making it suitable for both daily commutes and longer journeys. The E34 5 Series, in its various trim levels and engine options, solidified BMW's position as a premium automotive brand, offering a compelling blend of luxury, performance, and engineering excellence.