This manual covers the BMW 3 Series, chassis code E30, produced from 1983 to 1991. The E30 generation, introduced in 1982, embodied BMW's "Ultimate Driving Machine" philosophy, offering a balanced chassis and responsive powertrains. This iconic model line, which includes Touring (Wagon) and Convertible body styles, is celebrated for its driver engagement and engineering quality. The E30 M3 variant, in particular, stands as a performance legend with its motorsport heritage.

This comprehensive service and repair manual provides detailed information for owners, mechanics, and technicians. It covers a wide range of maintenance procedures, diagnostics, and troubleshooting for all major systems, including engine mechanicals, fuel injection, transmission, suspension, brakes, and the electrical system. With extensive coverage of both routine maintenance and major repairs, this manual serves as an essential resource for maintaining and restoring the BMW 3 Series E30.