This comprehensive service and repair manual provides detailed instructions and specifications for maintaining and repairing your BMW E30 M3, covering models from 1986 to 1992. The manual encompasses a wide range of topics, including engine, transmission, suspension, brakes, electrical systems, bodywork, and more. You'll find detailed diagrams, step-by-step procedures, and troubleshooting tips to assist you in performing routine maintenance, diagnosing problems, and completing complex repairs. This resource empowers you to confidently handle a variety of tasks, from simple oil changes to major engine overhauls, ensuring your E30 M3 runs smoothly and reliably for years to come.

The BMW E30 M3, produced from 1986 to 1992, is a legendary performance car that cemented BMW's reputation for building high-performance machines. Designed to compete in Group A touring car racing, the E30 M3 was the first car to wear the coveted "M" badge, signifying its status as a high-performance, track-focused machine. Its origins lie in the need for BMW to homologate a road-going version of their race car, which led to the creation of a car that was both technologically advanced and aesthetically appealing. The E30 M3's distinctive flared wheel arches, aerodynamically optimized bodywork, and lightweight design were driven by its racing heritage, making it instantly recognizable as a special car. Under the hood, the E30 M3 featured a naturally aspirated 2.3-liter S14 four-cylinder engine, producing 195 horsepower in its early iterations, later increasing to 215 horsepower. This engine was renowned for its high-revving nature, smooth power delivery, and distinctive exhaust note. The E30 M3 also benefited from a sophisticated suspension system, powerful brakes, and a lightweight construction, all contributing to its exceptional handling and performance capabilities. Its unique design, coupled with the legendary S14 engine, made the E30 M3 a driving experience unlike any other, offering a thrilling combination of raw power, precise handling, and driver engagement. Today, the E30 M3 is considered a classic sports car, highly sought after by collectors and enthusiasts alike for its timeless design, exceptional performance, and historical significance.