This comprehensive Workshop Service Repair manual covers the BMW E21 320i, 320iA, 320i (1.8L), and 320iA (1.8L) models manufactured between 1975 and 1983. Providing detailed instructions and illustrations, this manual equips you with the knowledge to effectively repair, service, restore, maintain, rebuild, or diagnose your vehicle. It includes information on a wide range of components, encompassing everything from the engine and its electrical systems to the fuel supply, exhaust system, transmission, axles, brakes, body, interior equipment, electrical components, instruments, lights, and heating and AC systems. The manual offers step-by-step guidance for each procedure, ensuring clarity and ease of understanding. As a valuable tool for any DIY enthusiast or professional mechanic, the manual offers the same level of detail and expertise used by authorized BMW technicians.

The BMW 320i, a name synonymous with refined driving experience and German engineering prowess, made its debut in 1975 and quickly became a beloved model in the iconic 3 Series lineup. The "New Six" as it was initially known, marked a departure from the previous generation, embracing a more streamlined design with a wider, lower stance. Its defining feature was the introduction of the M10 engine, a 1.8-liter four-cylinder unit delivering a respectable 121 horsepower. The 320i offered a perfect blend of agility and comfort, seamlessly navigating both city streets and winding country roads. Its interior, while understated, exuded a sense of quality and craftsmanship, offering a comfortable and engaging driving environment. The 320i, available in both sedan and coupe configurations, quickly gained popularity for its versatility, catering to both individual drivers seeking a sporty yet practical companion and families requiring a reliable and comfortable vehicle.

Production of the 320i continued until 1983, spanning eight model years, with various updates and refinements along the way. The original M10 engine received a power bump, reaching 125 horsepower in later iterations. The 320i also saw the introduction of features like fuel injection, which further enhanced its performance and efficiency. Throughout its production run, the 320i remained a consistent performer, earning praise from automotive journalists and drivers alike for its balanced handling, responsive engine, and overall driving experience. The 320i, with its timeless design and enduring performance, cemented itself as a cornerstone of the BMW 3 Series legacy, paving the way for a generation of exceptional automobiles that continue to captivate drivers worldwide.