The BMW 320i, chassis code E30, produced between 1987 and 1991, represents a significant model in BMW's history, celebrated for its exceptional engineering, renowned handling, and robust build quality. This compact executive sedan offered a compelling blend of sporty performance and everyday usability, competing effectively in its segment with its balanced chassis and engaging rear-wheel-drive dynamics. The 320i, powered by the M20B20 inline 6-cylinder engine, exemplifies BMW's commitment to driver-focused vehicles, making it a popular choice for enthusiasts and those appreciating refined German automotive design.

This comprehensive factory service and repair manual provides in-depth coverage for the BMW 320i (E30) models from 1987-1991. It details essential maintenance procedures, including fluid changes and component replacements, alongside extensive troubleshooting and diagnostic guidance for all major vehicle systems. From engine overhaul and transmission service to suspension, brakes, and electrical systems, this manual offers step-by-step instructions and technical specifications designed to assist owners, mechanics, and technicians in maintaining and repairing their vehicle with accuracy and efficiency.