This comprehensive BMW 3 Series E21 Workshop Service Repair Manual provides detailed instructions and illustrations for all repair procedures on your vehicle, covering models from 1975 to 1983. This manual covers all engine types and encompasses a wide range of topics, from routine maintenance to complex repairs, making it an indispensable resource for both experienced mechanics and DIY enthusiasts. Detailed diagrams and illustrations guide you through each step of the repair process, ensuring clarity and accuracy.

The manual provides in-depth information on a wide range of systems, including:

* **Engine:** Engine removal and installation, cylinder head and valve train, engine block, engine lubrication, intake manifold and exhaust system, cooling and heating, fuel and emissions.
* **Transmission:** Transaxle, clutch, manual transmission, automatic transmission, differential, driveshaft.
* **Steering and Suspension:** Steering, suspension, brakes (including ABS).
* **Body and Interior:** Body, heater and air conditioning, automatic climate control.
* **Electrical:** Electrical system (including SRS), supplemental restraint system (SRS).
* **Additional Information:** Wiring diagrams, valve timing procedures, chain and gear replacement, general removal and installation instructions, safety precautions, special tools, tensioner adjustments, tightening torques, timing marks, valve timing instructions, tensioner release and reset methods, chain routing and sprocket/gear valve timing marks, and much more.

With this manual, you'll have access to the same information used by professional mechanics, empowering you to perform your own repairs and save money on costly service bills.

The BMW 3 Series E21 was the first generation of the iconic 3 Series, marking a significant departure from the previous 1800/2000 model range. Introduced in 1975, the E21 was a compact, rear-wheel drive sedan designed to be a sporty and affordable alternative to the larger, more luxurious 5 Series. Its sleek and aerodynamic design, penned by Paul Bracq, was a departure from the boxy styling of its predecessors, and immediately set the tone for the future of the 3 Series. The E21's success rested on its strong performance and handling, thanks to its lightweight construction and precise suspension. The car was offered with a range of four-cylinder petrol engines, ranging from the 1.6-liter M10 in the 316 to the powerful 2.3-liter M20 in the 323i. The E21's performance was further enhanced by its relatively low weight, making it a popular choice for enthusiasts and racing drivers alike.

The BMW 3 Series E21 was a groundbreaking car that laid the foundation for the enduring success of the 3 Series line. It was known for its sharp handling, balanced performance, and understated elegance. The E21 offered a compelling combination of practicality and sportiness, making it a favorite among drivers who appreciated a car that could handle everyday duties as well as carve corners with precision. Its legacy lives on in the current 3 Series, where the E21's focus on performance, handling, and driver engagement continues to define the model. The E21's impact on the automotive landscape is undeniable, as it established BMW as a leader in the compact sports sedan segment. The model's success paved the way for future generations of the 3 Series, cementing its place as one of the most iconic and beloved cars of all time. The E21 continues to hold a special place in the hearts of BMW enthusiasts, who appreciate its timeless design, engaging driving experience, and historical significance.