The Audi A4, chassis code B5, represents a significant era for Audi's compact executive sedan and wagon offerings, produced from 1997 through 2001. This generation embodied Audi's "Vorsprung durch Technik" philosophy, characterized by refined styling, advanced engineering, and a focus on quality. Notable features include the availability of the legendary quattro all-wheel-drive system, a key differentiator that enhanced traction and stability. The A4 was praised for its solid build quality, premium interior, and engaging driving dynamics, often earning accolades such as inclusion on Car and Driver's '10Best' lists, positioning it as a strong competitor against established rivals like the BMW 3 Series and Mercedes-Benz C-Class.

This comprehensive Service and Repair Manual in English provides detailed guidance for owners, mechanics, and technicians. It covers all essential aspects of the Audi A4 (B5), including in-depth engine repair and diagnosis for both the 1.8L turbocharged four-cylinder and the 2.8L V6 engines, as well as manual and automatic transmission service. The manual also details procedures for drivetrain, suspension, steering, brakes, and the complete electrical system, alongside routine maintenance tasks and troubleshooting for common issues. With extensive diagnostic flowcharts and precise technical specifications, this manual is an indispensable resource for maintaining and repairing the A4 to optimal performance and longevity.