This comprehensive service manual for the BMW 3 Series E21 provides you with detailed technical information for maintenance and repair. It equips you with the necessary knowledge to confidently tackle a wide range of tasks, from basic maintenance to complex repairs. The manual features detailed diagrams, illustrations, and step-by-step instructions to guide you through every procedure.

Dive deep into the intricacies of the BMW 3 Series E21 with this resource. Explore mechanical specifications, technical details, and a thorough overview of various vehicle components. Gain insights into collision repair, understand the required products and supplies, and discover the nuances of paintwork. This manual is your ultimate resource for keeping your BMW 3 Series E21 in peak condition.

The BMW 3 Series E21, introduced in 1975, marked the beginning of a legendary lineage for the Bavarian automaker. This first-generation 3 Series, replacing the aging 1800/2000 models, was a game-changer in the compact executive segment. The E21 was designed with a focus on sporty driving dynamics, featuring a lightweight and rigid chassis, McPherson strut front suspension, and a sophisticated rear axle setup. This compact sedan, available in 2-door and 4-door variants, was initially powered by a range of four-cylinder engines, with the iconic M10 engine powering various models. The E21's sleek and elegant design, penned by the legendary Paul Bracq, was characterized by its distinctive "shark nose" front end and sloping roofline, embodying the classic BMW aesthetic. Its practicality and sporting spirit made it an instant hit with enthusiasts and everyday drivers alike, quickly establishing the 3 Series as a benchmark for its class.

The E21's success was further cemented by its evolution throughout its production run. Notable additions included the introduction of the powerful 323i model in 1977, featuring a larger 2.3-liter M21 engine, and the highly sought-after 320i in 1979. The latter boasted a fuel-injected 2-liter M10 engine, offering a balance of performance and efficiency. The E21 also saw the introduction of a variety of optional features, enhancing both comfort and practicality, such as power windows, air conditioning, and a sunroof. While the E21 was ultimately replaced by the E30 in 1983, it left an indelible mark on the automotive industry. Its enduring legacy can be seen in the continued success of the 3 Series, which has evolved into one of the most iconic and best-selling luxury cars in the world. The E21's influence, evident in its sharp handling, elegant styling, and overall driving experience, continues to inspire generations of automotive enthusiasts.