This manual covers the BMW 325i / 325is models from 1989, built on the E30 chassis and powered by the M20 engine. These vehicles are renowned for their sporty handling, driver-focused engineering, and the robust performance of their 2.5-liter inline-6 engines, which produce an estimated 168 horsepower and 164 lb-ft of torque. Designed for spirited driving and everyday usability, the 325i and 325is represent a classic era of BMW automotive excellence, offering a compelling blend of performance and build quality.

This comprehensive service and repair manual provides detailed guidance for owners and technicians. It covers essential maintenance procedures, including scheduled service, routine checks, and critical intervals for items like oil changes and timing belt replacement. In-depth sections are dedicated to engine mechanicals, fuel and ignition systems, cooling, exhaust, drivetrain, suspension, steering, brakes, and the electrical system. Furthermore, the manual includes information on the manual and automatic transmissions, climate control, body and chassis, troubleshooting common issues, and restoration guidance, ensuring the longevity and optimal performance of your vehicle.