The 1988 BMW 320i, designated by the E30 chassis code, is a celebrated example of BMW's commitment to engineering excellence and the "Ultimate Driving Machine" philosophy. This compact executive sedan is renowned for its iconic design, characterized by clean lines and a driver-focused interior, and its exceptional driving dynamics, stemming from a balanced chassis, responsive steering, and a rear-wheel-drive layout. Powered by the M20B20 inline 4-cylinder engine, this model offered a compelling blend of performance and efficiency, making it a benchmark in its class and a sought-after vehicle for its purity of driving experience.

This comprehensive service and repair manual provides detailed guidance for the maintenance, diagnosis, and repair of the 1988 BMW 320i. It covers all major systems, including engine mechanicals, fuel and emission systems, ignition, manual and automatic transmissions, brakes, suspension, steering, electrical systems, body and chassis, and HVAC. The manual includes procedures for routine maintenance, major repairs, rebuilding, and diagnostics, offering expert-level coverage with step-by-step instructions, diagrams, and specifications. This resource is invaluable for owners, mechanics, and technicians aiming to preserve the performance and longevity of their E30 320i.