This workshop service repair manual provides comprehensive guidance for the BMW 320i (E30 chassis) manufactured between 1987 and 1991. The E30 generation is celebrated for its enduring design, engaging driving dynamics, and the robust engineering that defined BMW's reputation for quality and performance. This model, powered by the M20B20 2.0-liter inline-six engine, offers a balance of spirited performance and everyday usability, making it a beloved vehicle for enthusiasts and a reliable daily driver when properly maintained. Its compact dimensions, agile handling, and classic BMW styling have cemented its status as an automotive icon.

This manual serves as an indispensable resource for owners, mechanics, and technicians, detailing all aspects of vehicle maintenance, repair, and diagnostics. It covers essential procedures such as routine servicing, engine overhauls, transmission repairs, suspension and brake system work, and electrical system troubleshooting, including detailed wiring diagrams. With step-by-step instructions, exploded views, and critical technical specifications, this guide empowers users to keep their BMW 320i in optimal condition, ensuring longevity and preserving its renowned driving characteristics. The manual's thoroughness extends to common issues and preventative maintenance schedules, making it a complete reference for any E30 320i owner.