This manual covers the BMW 3 Series, specifically the 325, 325e, and 325es models produced between 1984 and 1990, identified by the E30 chassis code. These vehicles, powered by the M20B27 or M20B25 inline-six engines, are renowned for their exceptional handling, rear-wheel-drive dynamics, and timeless design, making them a significant part of BMW's legacy in the sport sedan market. They competed effectively against other premium European sedans of their era and remain highly sought after by enthusiasts for their driving engagement and robust engineering.

This comprehensive service and repair manual provides detailed instructions for maintaining and restoring your BMW 3 Series. It covers all major systems, including engine mechanicals, fuel and ignition systems, drivetrain, suspension, steering, brakes, and electrical components. Within its extensive pages, you will find step-by-step procedures for routine maintenance, complex repairs, and diagnostics, along with critical technical specifications, torque values, and information on special tools. This manual is an indispensable resource for owners and technicians aiming to preserve the performance and integrity of these classic vehicles.