This manual covers the 3 Series, chassis code E46, produced between 1999 and 2005. Known for its performance-oriented, driver-focused nature, the 3 Series is a compact executive car renowned for its balanced chassis, responsive steering, and engaging driving experience. Throughout its generation, it offered a range of smooth inline-four and inline-six gasoline engines, and was available in sedan, coupe, convertible, and sports wagon body styles. The E46 frequently earned accolades such as '10Best' awards, reflecting its esteemed position in the automotive market and its competitive standing against rivals like the Mercedes-Benz C-Class and Audi A4.

This comprehensive factory service manual provides detailed information for the repair and maintenance of your 3 Series. It covers all major aspects, including powertrain, drivetrain, chassis, electrical systems, and body components. Within its extensive pages, you will find step-by-step procedures for routine maintenance, diagnostics, component removal and installation, and even complete engine and transmission rebuilds. The manual also details the use of specialized tools and provides crucial technical specifications, fluid requirements, and troubleshooting guides, empowering owners and technicians to effectively maintain and repair their vehicle.