This manual covers the BMW 320i, chassis code E30, for the model years 1987-1991. The E30 generation is celebrated for its balanced chassis, engaging driving dynamics, and iconic design, representing a refined iteration of BMW's premium compact executive vehicle. Known for exceptional build quality and a near-perfect weight distribution, the 320i offered a superior driving experience that competed effectively with other luxury marques of its era. This particular model is equipped with the M20B20 inline-6 engine, a testament to BMW's engineering prowess.

This comprehensive service repair workshop manual provides in-depth information for all E30 320i variants produced between 1987 and 1991. It covers a wide range of topics, from routine maintenance procedures such as oil changes and filter replacements to complex tasks like engine rebuilding and transmission overhauls. Detailed troubleshooting guides, component removal and installation instructions, and critical torque specifications are included to assist owners and technicians. The manual also details the engine mechanicals, fuel and exhaust systems, suspension, steering, brakes, and electrical systems, offering professional-level guidance for maintaining and repairing this classic BMW.