This workshop service repair manual covers the BMW 3 Series, specifically the 323 model with the E46 chassis, produced between 1999 and 2005. Known for its renowned driving dynamics and engineering excellence, the 323 model embodies BMW's "Ultimate Driving Machine" philosophy. This compact executive sedan, powered by a 2.5-liter inline 6-cylinder engine (M52TU B25), offers a balance of performance and refinement, making it a popular choice among driving enthusiasts. The E46 generation represented a significant advancement in design and technology, continuing BMW's legacy of premium quality and sporty handling, and was frequently recognized for its exceptional performance.

This comprehensive manual is designed to assist owners, mechanics, and technicians in maintaining and repairing the BMW 323 (E46). It provides detailed, step-by-step instructions for a wide range of procedures, including scheduled maintenance, engine and transmission overhauls, brake system servicing, suspension adjustments, and electrical diagnostics. The manual covers all major vehicle systems, such as the engine, drivetrain, suspension, brakes, electrical components, and climate control, offering in-depth coverage from basic repairs to complex rebuilds. It also includes essential technical specifications, torque values, and wiring diagrams to ensure accurate and effective service.