The BMW 3-Series, specifically the E21 chassis code produced between 1975 and 1983, marked BMW's significant entry into the compact executive sedan market. This generation of the 3-Series was engineered to offer a compelling blend of sporty performance and everyday practicality, a philosophy that would define its lineage. Known for its driver-focused cockpit and advanced McPherson strut front suspension, the E21 established a benchmark for handling and driver engagement within its segment, competing with notable vehicles of its era. Its design and engineering laid the groundwork for the enduring success and reputation of the BMW 3-Series as a leader in compact sports sedans.

This comprehensive service manual provides essential information for the repair and service of the BMW 3-Series E21. Covering a wide array of systems, including detailed procedures for engine mechanicals, fuel and ignition systems, transmissions, suspension, steering, brakes, and the electrical system, this manual is an invaluable resource. It includes step-by-step repair instructions, preventive maintenance schedules, diagnostic troubleshooting guides, and critical technical specifications. Designed for both professional mechanics and dedicated DIY enthusiasts, this English-language digital manual, with over 500 pages, offers searchable text for efficient information retrieval, ensuring owners and technicians can effectively maintain and repair their vehicles.