The BMW 520i, part of the E34 generation produced from 1987 to 1996, represents a pinnacle of executive sedan engineering from its era. This 1991 model, equipped with the M50B20 inline 6-cylinder engine, is renowned for its balanced chassis, refined driving dynamics, and robust build quality, making it a compelling choice for enthusiasts and those seeking a classic yet capable vehicle. Its appeal lies in its driver-focused experience and the enduring legacy of BMW's commitment to performance and luxury.

This comprehensive service and repair manual provides detailed information for the full service, maintenance, rebuilding, refurbishment, restoration, and diagnostics of the BMW 520i (E34). It covers all major systems, including the engine, transmission, drivetrain, suspension, brakes, steering, electrical systems, and bodywork, offering step-by-step procedures, technical specifications, torque values, and troubleshooting guidance. This manual is an essential resource for owners, mechanics, and technicians aiming to maintain and repair this esteemed vehicle.