This manual covers the BMW 3 Series, specifically the 325e, 325es, and 325is models produced between 1984 and 1990, identified by the E30 chassis code. Renowned for its exceptional handling, driver-focused cockpit, and classic 1980s design, the E30 3 Series is a highly regarded compact executive sports sedan and coupe. The 325e and 325es variants feature the M20B27 inline-six engine, prioritizing fuel efficiency and torque, while the 325is is equipped with the more potent M20B25 engine, offering enhanced performance. These vehicles are celebrated for their engineering quality and driving dynamics, making them a popular choice for enthusiasts.

This comprehensive workshop repair service manual provides detailed guidance for maintaining and repairing your BMW 3 Series. It covers a wide range of topics, including scheduled maintenance, routine checks, fluid changes, and filter replacements. In-depth repair procedures are provided for all major systems, such as the engine mechanicals, fuel and ignition systems, cooling and exhaust systems, transmission, drivetrain, brakes, steering, suspension, electrical systems, bodywork, and HVAC. Diagnostic information, including troubleshooting guides and fault code interpretation, is also included to assist in identifying and resolving issues. Technical specifications, such as torque values, clearances, and fluid capacities, are also detailed to ensure accurate repairs and optimal performance.