This manual covers the A4 models from the 2003 to 2006 model years, encompassing the B6/B7 generations. Available in Sedan, Avant (Wagon), and Cabriolet body styles, these vehicles are known for their sophisticated engineering, premium interiors, and the availability of the renowned quattro all-wheel-drive system. The A4 lineup during this period offered a range of potent engines, including turbocharged inline-four and V6 options, all designed to provide a balance of performance and refinement for daily driving and spirited journeys. The commitment to quality and innovative technology is evident throughout these models, making them a desirable choice for discerning drivers.

This comprehensive parts list catalog and labor hour estimation guide is designed to assist A4 owners, independent repair facilities, and automotive professionals. It provides detailed parts identification, including OEM part numbers, for all major vehicle systems such as the powertrain, chassis, electrical, and body components. The manual also offers estimated labor hours for various repair and maintenance tasks, crucial for accurate quoting and efficient workflow. With clear exploded diagrams and a focus on genuine parts, this English-language resource ensures precise component sourcing and supports the accurate maintenance and repair of your A4.