This comprehensive repair service manual is a valuable tool for both BMW 318 and 318i E21 owners with basic mechanical skills and independent automotive service professionals. It provides access to the same specifications and procedures used by authorized BMW dealer service departments. This manual empowers you to understand your vehicle better and effectively communicate with automotive technicians. The manual covers every aspect of the BMW 318 and 318i E21, including general information, engine service and overhauling, transmission, chassis, body, wiring, fuel system, emission control, induction, mechanical, control system, transmission and differentials, troubleshooting and diagnostics, steering and suspension, brakes, ABS, full specifications and torque settings, and service work. Detailed sections on engine fault diagnosis, problem evaluation, and repair techniques are included, offering insights into the best approaches to fixing your vehicle. The manual provides access to secret techniques used by top mechanics, allowing you to test suspected parts and verify wiring diagrams, including specific terminal pin connections and expected readings. You'll gain a deep understanding of different engine management systems and common fixes, empowering you to effectively communicate with mechanics. This manual is your guide to becoming a more informed and confident car owner. It helps you understand your vehicle's inner workings, diagnose issues, and communicate effectively with mechanics, ensuring you receive the best possible service.

The BMW 318/318i E21, produced from 1977 to 1992, marked a significant era in the evolution of the iconic BMW 3 Series. This generation, often referred to as the "E21," was the first to carry the "3 Series" designation and introduced the world to the sporty and agile character that would define the model line for decades to come. The E21, designed by Paul Bracq, showcased a sharp and elegant design with a distinctive sloping roofline and a compact, muscular stance. Unlike its predecessors, the E21 adopted a unibody construction for improved rigidity and handling. The car was initially powered by a 1.8-liter four-cylinder engine, producing 98 horsepower. This engine was later upgraded to a 1.8-liter fuel-injected unit, delivering 105 horsepower, and became known as the "318i." The 318i model, with its enhanced performance and fuel efficiency, became particularly popular, solidifying the E21's reputation as a compelling blend of everyday practicality and sporty driving dynamics. The BMW 318/318i E21 offered a comprehensive range of features for its time, including independent suspension, power steering, and disc brakes on all four wheels. While the interior was relatively spartan compared to modern standards, it prioritized functionality and driver-centric design. The E21 also pioneered the implementation of safety features, such as crumple zones and a robust safety cage, further enhancing its reputation for reliability and occupant protection. Despite its age, the BMW 318/318i E21 remains a highly sought-after classic car, appreciated for its elegant styling, driving experience, and historical significance. The model played a crucial role in establishing the BMW 3 Series as a benchmark for sport sedans and continues to inspire enthusiasts and collectors alike. Its enduring popularity is a testament to the E21's timeless appeal as a capable, stylish, and engaging driving machine.