This manual covers the BMW 323i (E21 chassis) produced from 1975 through 1984. The 323i is recognized for its sporty handling, refined ride, and the performance of its inline-six M20B23 engine, embodying BMW's legacy of engineering excellence and driving dynamics. As a compact executive sedan and coupe, it competed with other premium European offerings of its era, appealing to enthusiasts and those who appreciated quality German engineering. Its design and mechanical sophistication established the benchmark for the 3 Series lineage, making it a sought-after vehicle for classic car owners and restoration specialists.

This comprehensive workshop repair and service manual provides essential information for maintaining the performance and longevity of your BMW 323i. It details procedures for all major systems, including the M20B23 engine, fuel injection, ignition, manual and automatic transmissions, drivetrain, brakes, suspension, steering, and electrical systems. The manual also covers bodywork, chassis, and climate control systems, offering systematic troubleshooting guides, step-by-step repair instructions, and overhaul procedures. With detailed technical specifications and maintenance schedules, this resource is an indispensable tool for owners and technicians alike.