This comprehensive BMW M3 Workshop Service Manual provides an in-depth guide for repairing and maintaining your 1986-1992 BMW M3. Covering all aspects of the vehicle, from engine and transmission to bodywork and electrical systems, this manual is an essential resource for any owner, mechanic, or enthusiast who wants to perform their own repairs or service. Detailed instructions, diagrams, and specifications guide you through every step of the process, allowing you to confidently tackle any repair or maintenance task. This manual is the ultimate reference tool, offering everything you need to keep your M3 running in top condition.

The BMW M3 (E30), produced from 1986 to 1992, is a high-performance sports car that marked the beginning of the iconic M3 lineage. It was conceived as a homologation special, designed to meet Group A touring car racing regulations, and became a legend in its own right. The E30 M3 was powered by a 2.3-liter naturally aspirated four-cylinder engine, codenamed S14, that produced an impressive 195 horsepower. This engine was a masterpiece of engineering, featuring lightweight construction, a high-revving nature, and a unique individual throttle body system. The M3 also boasted numerous performance-enhancing features, such as a lightweight body, stiffened suspension, and powerful brakes, all contributing to its exceptional handling and agility. The car's motorsport-derived DNA was evident in its purposeful design, featuring a wide front spoiler, fender flares, and a rear wing, emphasizing its aggressive stance and aerodynamic efficiency. The E30 M3 quickly gained a reputation as one of the best handling cars of its time, praised for its sharp steering, balanced chassis, and exceptional responsiveness. It carved a niche for itself in the world of performance driving, becoming a favorite among enthusiasts and professionals alike. The car's success on the racetrack cemented its status as a motorsport legend, with numerous victories in touring car championships around the world. Its popularity extended beyond the racing circuit, attracting a loyal following of drivers who appreciated its exhilarating performance and timeless design. The E30 M3 remains a highly sought-after collector's car, a testament to its enduring legacy and its importance in the history of BMW and the automotive world.