Welcome to the owner's manual for the 2003 3 Series Convertible (E46). This iconic convertible embodies a commitment to driving pleasure, featuring renowned handling, a driver-focused cockpit, and a fully automatic soft-top for open-air enjoyment. Powered by refined inline-six engines, such as the 325Ci and 330Ci, this model offers a dynamic and engaging driving experience. Its premium interior appointments and advanced technology for its era, including optional navigation and premium audio, complement its sporty performance orientation, making it a distinguished choice in the premium compact executive sports convertible segment.

This comprehensive owner's manual provides essential information to help you understand and operate your 2003 3 Series Convertible safely and efficiently. It covers a wide range of topics, including vehicle introduction, instrument cluster interpretation, controls and features, operational guidance, safety precautions, and important technical data. You will also find detailed sections on basic maintenance procedures, emergency responses, and care instructions. This manual is designed to assist owners and technicians in maintaining the vehicle's performance and ensuring its longevity, offering insights into engine, transmission, chassis, and electrical systems, as well as common maintenance points and known issues for the E46 generation.