The BMW 540i, part of the E39 generation produced from 1997 to 2003, is a premium executive sedan renowned for its luxury, performance, and advanced engineering. Featuring a robust V8 engine delivering approximately 282 horsepower and 324 lb-ft of torque, this model offers a dynamic driving experience, complemented by options like the Steptronic automatic transmission. Its sophisticated design and commitment to driving dynamics, recognized with multiple Car and Driver 10Best awards for the E39 generation, positioned it as a strong competitor in its segment. This comprehensive factory service repair manual provides detailed information for maintaining and repairing the BMW 540i (E39) from 1997 through 2002. It covers a wide array of systems, including engine service, transmission repair, brake systems, electrical diagnostics, suspension, and cooling systems, offering step-by-step instructions, diagnostic procedures, and complete disassembly/reassembly guidance. The manual is designed to empower both DIY enthusiasts and professional mechanics, serving as an essential resource for ensuring the longevity and optimal performance of the vehicle.