This comprehensive service and repair manual is your ultimate guide to maintaining and repairing your BMW 3 Series E30, covering models from 1984 to 1990. This manual is tailored for the 318i, 325, 325e, 325es, 325i, 325is, and 325i Convertible. It encompasses a wide range of engine types, including the 1.8L 4-cylinder in the 318i (1984-1985) and the 2.7L 6-cylinder in the 325, 325e, and 325es (1984-1987), as well as the 2.5L 6-cylinder powering the 325i, 325is, and 325i Convertible (1987-1990). The manual provides in-depth information across various vehicle systems, making it an indispensable resource for both novice and experienced mechanics. It meticulously covers fundamental maintenance procedures, lubrication and maintenance schedules, and delves into the intricacies of engine management, including details on the engine, ignition, fuel system, cooling system, exhaust system, emission control, transmission and clutch, brakes, suspension and steering, body and interior, and the electrical system, including the driveshaft. With detailed step-by-step instructions, enhanced with clear illustrations and diagrams, this manual empowers you to diagnose and resolve issues with confidence. Each procedure is explained thoroughly, ensuring you understand the process completely. This manual is the same resource used by professional technicians, giving you access to the same level of expertise and information.

The BMW 3 Series E30, produced from 1982 to 1994, marked a significant turning point for the German automaker, solidifying its reputation for performance, handling, and driver engagement. This generation introduced a new level of refinement and sophistication, with a bold, angular design that set it apart from its predecessors. The E30 was available in a wide array of body styles, including sedans, coupes, convertibles, and even a rare touring wagon. It was powered by a range of four and six-cylinder engines, offering a spectrum of power outputs, with the iconic M3 model pushing the performance envelope with its 2.3-liter four-cylinder engine. The E30's balanced chassis, precise steering, and responsive handling made it a driver's car, earning accolades and a loyal following. Beyond its sporty nature, the 3 Series E30 also offered a comfortable and practical interior. The dashboard was well-laid out, with clear instrumentation and intuitive controls. The interior was spacious for its class, offering ample legroom and headroom for both front and rear passengers. While the E30 was lauded for its handling and performance, its build quality and mechanical reliability were also noteworthy. Many examples have stood the test of time, becoming highly sought-after collector cars, retaining their appeal for both enthusiasts and everyday drivers. The E30's influence on future BMW models is undeniable, setting the stage for the legacy of sporty and sophisticated driving that the 3 Series continues to represent today.