The BMW 540i, chassis code E39, produced from 1996 to 2003, is a mid-size luxury sedan renowned for its refined driving dynamics, powerful 4.4-liter V8 engine, and high-quality interior. This model, powered by the M62B44 engine, offered a compelling blend of performance and luxury, often competing with vehicles like the Mercedes-Benz E-Class and Audi A6. Its distinctive attributes include a strong brand prestige, advanced technology for its time, and a reputation for engineering excellence that aligns with BMW's philosophy of 'Sheer Driving Pleasure'. The 540i was recognized by publications like Car and Driver as one of the best cars of its era, cementing its status as a benchmark in the luxury sedan segment.

This comprehensive service and repair manual provides detailed guidance for maintaining and repairing the BMW 540i (E39). It covers a wide array of systems, including complete engine mechanical and electrical diagnostics, automatic and manual transmission overhauls, drivetrain, suspension, brakes, steering, and the overall electrical system. The manual also details bodywork and climate control systems. Essential maintenance procedures such as oil changes, filter replacements, and fluid flushes are explained, alongside troubleshooting guides for common issues like VANOS system problems and oil leaks. With its high-resolution diagrams and in-depth technical information, this manual serves as an invaluable resource for owners, mechanics, and technicians seeking to preserve the performance and longevity of their 1999 BMW 540i.