The BMW 3 Series E46, specifically the 328i Coupe produced between 1999 and 2005, represents a pinnacle of sporty handling, refined interiors, and potent inline-six engine performance, embodying BMW's renowned legacy. This generation of the 3 Series, a frequent recipient of accolades such as Car and Driver's 10Best list, was engineered to compete at the forefront of the performance luxury coupe segment. Its 2.8-liter, 193-horsepower inline-six engine, coupled with available Dynamic Stability Control and a robust chassis, delivered an engaging driving experience. The 328i Coupe was designed for those who appreciate a blend of dynamic capability and sophisticated comfort. This comprehensive factory service repair manual provides complete workshop service and repair information for the BMW 3 Series E46 328i Coupe. It is designed to empower both professional technicians and DIY enthusiasts with the knowledge to maintain and repair the vehicle. The manual covers all major systems, including detailed diagnostics and repair procedures for the engine, fuel, cooling, ignition, exhaust, drivetrain, suspension, steering, brakes, and electrical systems. Furthermore, it includes in-depth information on HVAC, body and chassis, interior components, and lighting, alongside essential scheduled maintenance, troubleshooting guidance, disassembly and assembly instructions, critical torque specifications, and detailed wiring diagrams.