The BMW 3 Series E21 1975-1984 Workshop Service Repair Manual is a comprehensive guide for mechanics and DIY enthusiasts looking to repair and maintain their classic BMW. This manual provides an in-depth understanding of the vehicle's systems and components, offering detailed instructions and diagrams for every aspect of repair and maintenance. From engine and transmission to bodywork and electrical systems, this manual covers all areas of the BMW 3 Series E21. It includes troubleshooting tips, service data, specifications, tightening torques, and step-by-step procedures for disassembly, assembly, and repair of each component. Illustrated with clear diagrams and photographs, this manual makes even complex tasks accessible, ensuring a thorough understanding of the repair process. With numerous notes, cautions, and warnings throughout, this manual prioritizes safety and ensures that users can perform repairs confidently and correctly. The information provided is based on the latest product information available at the time of publication, making it an up-to-date and reliable resource. Whether you're a seasoned mechanic or a dedicated DIY enthusiast, this manual is a valuable tool for anyone seeking to keep their BMW 3 Series E21 running smoothly.

The BMW 3 Series E21, produced from 1975 to 1983, marked the beginning of a legendary lineage that continues to define the brand's reputation for driving excellence. This first generation of the 3 Series introduced the world to a compact and sporty sedan that defied expectations. It was a departure from the larger and more luxurious BMWs of the time, offering a smaller, more agile, and more affordable option for those seeking a spirited driving experience. The E21's sleek and minimalist design, penned by famed designer Paul Bracq, combined classic proportions with sharp angles, setting the stage for the 3 Series' iconic aesthetic. The car featured a lightweight body and a rear-wheel drive layout, providing a balanced and engaging driving experience that became synonymous with the BMW brand. Under the hood, the E21 offered a variety of four-cylinder engines, ranging in displacement from 1.6 liters to 2.3 liters. The 320i, powered by a 2.0-liter engine, became a particular favorite, offering a blend of performance and practicality. The E21 was also the first BMW to feature a fuel-injected engine, the 323i, which introduced a new era of power and efficiency. While the E21 was designed as a compact sedan, it also served as the basis for a series of successful derivative models, including the 3 Series Coupe (E21) and the BMW M1, a mid-engined supercar that showcased the brand's engineering prowess. Despite its compact size, the E21 offered a surprisingly spacious interior for its passengers, and its simple yet effective design focused on functionality and driving enjoyment. The E21's legacy lies in its ability to establish the BMW 3 Series as a global icon, setting the standard for performance and driving pleasure in the compact luxury segment.