This manual covers the BMW M3, chassis code E30, first produced in 1982. As a homologation special developed by BMW Motorsport GmbH for racing, the E30 M3 is distinguished by its purpose-built motorsport chassis, unique bodywork including flared wheel arches and aerodynamic enhancements, and a high-revving 2.3-liter S14 inline-four engine. This performance compact sedan/coupe is celebrated for its exceptional handling dynamics and was a dominant force in touring car racing worldwide. Its engineering quality and reliability are hallmarks of BMW's commitment to performance and driver engagement.

This comprehensive workshop manual provides detailed information for all repairs, covering every aspect of the BMW M3 from A-Z. It includes in-depth procedures for engine mechanicals, lubrication, cooling, fuel, ignition, exhaust, and emissions systems, as well as manual transmissions, clutch systems, and drivetrain components. The manual also details brake and suspension systems, steering, electrical and electronic systems, and body and chassis work. Essential maintenance procedures, troubleshooting guides, and technical specifications, including torque values and fluid capacities, are thoroughly explained. This resource is designed to empower owners and technicians with the knowledge needed for accurate and efficient maintenance and repair.