This comprehensive service and repair manual provides detailed instructions for maintaining and repairing your 1990 BMW 3 Series E30. It is the same manual used by professional mechanics worldwide, ensuring you have access to the most accurate and up-to-date information. The manual covers all major systems and components of your vehicle, including the engine, transmission, braking system, electrical system, and suspension. You will find detailed diagrams, illustrations, and step-by-step instructions to guide you through every repair procedure. Whether you are a seasoned mechanic or a DIY enthusiast, this manual will empower you to perform virtually any maintenance or repair task on your E30.

The BMW 3 Series E30, produced from 1982 to 1994, marked a pivotal moment in BMW's history, establishing the model as a benchmark for driving dynamics and refinement. The E30 generation, known for its sleek and timeless design, offered a range of gasoline and diesel engines, ranging from the economical 1.6 liter to the powerful 2.5 liter inline-six, paired with either a four-speed or five-speed manual transmission, or a four-speed automatic. Its sporty demeanor was further enhanced by a McPherson strut front suspension and a multi-link rear suspension, ensuring precise handling and a comfortable ride. While the E30 offered numerous body styles, including a four-door sedan, a two-door coupe, a wagon, and a convertible, the 1990 model year marked the final year for the E30 convertible. This specific year, however, is notable for its inclusion of the coveted M3 variant. The E30 M3, powered by a high-revving 2.3-liter inline-four engine producing 195 horsepower, transformed the 3 Series from an everyday car to a true performance icon. With its lightweight chassis, aerodynamic bodywork, and advanced suspension, the M3 set a new standard for handling and agility, becoming a coveted collector's item and a symbol of BMW's motorsport heritage. The 1990 E30, regardless of its trim level, remains a testament to BMW's engineering prowess and enduring appeal, offering a compelling mix of classic styling, engaging driving dynamics, and timeless elegance.