This workshop service manual provides comprehensive information for the BMW 545i, generation E60, covering the model years 2003 through 2005. Known for its blend of executive luxury and dynamic performance, the 545i represents BMW's commitment to engineering excellence. This model, characterized by its powerful 4.4-liter V8 engine and sophisticated chassis dynamics, was designed to compete in the premium sedan segment, offering a refined driving experience. Its distinctive design language and advanced technology, including the first generation of the iDrive infotainment system, set it apart in its class.

The purpose of this manual is to serve as an authoritative guide for the maintenance, diagnosis, and repair of the BMW 545i. It covers all essential mechanical and electrical systems, including the powertrain, chassis, body, and interior. Detailed procedures for scheduled maintenance, troubleshooting common issues, and performing complex repairs are provided. Technical specifications, wiring diagrams, and information on special tools are also included, ensuring that owners, technicians, and mechanics have the necessary resources to maintain the vehicle's performance and longevity.