This comprehensive service and repair manual covers the BMW 525i, chassis code E34, produced between 1988 and 1991. The 525i is equipped with an M20B25 inline 6-cylinder engine, featuring a 2.5-liter displacement and Bosch Motronic fuel injection, delivering approximately 168-170 horsepower. Known for its robust engineering and driver-focused design, the E34 generation offers a blend of performance and luxury, making it a sought-after vehicle for enthusiasts and daily driving alike. Standard features include anti-lock brakes and front and rear seatbelts, with a driver-side airbag common on later models within this production range.

This manual provides detailed guidance for repair, maintenance, rebuild, refurbish, and restoration procedures. It encompasses critical information on engine specifications, including bore, stroke, and compression ratio, as well as transmission details for both the 5-speed manual and 4-speed automatic options. Furthermore, the manual outlines essential fluid specifications for engine oil, coolant, brake fluid, and transmission fluids, along with recommended service intervals for oil changes and spark plug replacements. This resource is an invaluable tool for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their BMW 525i.