This manual covers the BMW 3 Series E30 models, specifically the 325i and 325is, produced between 1984 and 1990. The E30 generation is renowned for its exceptional handling, balanced chassis, and driver-focused engineering, which defined the modern BMW driving experience. These compact executive sports sedans and coupes, powered by the robust M20B25 2.5L inline-six engine, offered a compelling blend of performance and luxury, making them a benchmark in their class and a favorite among driving enthusiasts.

This comprehensive English-language service manual provides essential information for the maintenance, repair, and troubleshooting of your BMW 3 Series E30. It details procedures for all major systems, including the engine, fuel, ignition, cooling, drivetrain, suspension, steering, brakes, and electrical systems. With an estimated 1000+ pages, this resource is invaluable for owners and technicians seeking to preserve the performance and longevity of these iconic vehicles, covering everything from routine maintenance to in-depth component overhauls.