This comprehensive workshop repair service manual provides detailed technical information for your 1987 BMW E30 M3, covering all models, engines, trim levels, and transmission types. It includes step-by-step instructions and diagrams for a wide range of service and repair procedures, ensuring you have the knowledge and guidance necessary to maintain and troubleshoot your vehicle effectively. The manual covers everything from routine maintenance tasks like oil changes and filter replacements to more complex repairs such as engine overhauls, transmission rebuilds, and electrical system diagnostics. You'll find detailed specifications, wiring diagrams, troubleshooting charts, and component identification guides to help you accurately diagnose and resolve any issue. Whether you're a seasoned mechanic or a dedicated enthusiast, this manual is an invaluable resource for anyone who wants to perform their own repairs or gain a deeper understanding of their 1987 BMW E30 M3.

The BMW E30 M3, launched in 1986 and produced until 1991, stands as a legendary sports car, a testament to BMW's commitment to performance and engineering excellence. Born from the Group A Touring Car racing regulations, the E30 M3 was designed to be a homologation special, requiring a minimum production run of 5,000 road-legal vehicles to be eligible for competition. The E30 M3's iconic status rests on its groundbreaking performance, thanks to a potent 2.3-liter naturally aspirated inline-four engine generating an impressive 195 horsepower and 170 lb-ft of torque. This powerplant, paired with a five-speed manual transmission, catapulted the E30 M3 to a remarkable 0-60 mph time of 6.5 seconds, making it one of the fastest cars of its era. Beyond its powerful engine, the E30 M3's performance was further enhanced by its meticulous engineering. Lightweight construction with extensive use of aluminum and plastic, along with a sophisticated suspension system, including a double-wishbone front suspension and a semi-trailing arm rear suspension, contributed to its exceptional handling and agility. The E30 M3's aerodynamic design, featuring flared wheel arches, a rear spoiler, and a deep front air dam, further accentuated its performance potential. This combination of potent power, exceptional handling, and stylish design cemented the E30 M3's place as a true icon, inspiring countless enthusiasts and setting the stage for future M3 generations. The E30 M3's lasting legacy is evidenced by its continued popularity among collectors and enthusiasts even today, a testament to its timeless beauty, exhilarating performance, and its unwavering position as a benchmark for performance cars.