This comprehensive service repair manual for the BMW 3 Series (E46) model years 1999-2005 is your ultimate guide to maintaining, repairing, and restoring your vehicle. It provides detailed instructions and technical specifications for every aspect of your BMW, covering everything from basic maintenance to complex engine and transmission repairs. With clear and concise language, accompanied by numerous illustrations, diagrams, wiring schematics, and specifications, this manual empowers you to tackle any repair with confidence.

The manual covers a wide range of topics, including:

* **General Data and Maintenance:** Get familiar with your vehicle's specifications, routine maintenance schedules, and essential safety procedures.
* **Engine:** Dive into the intricacies of your engine, covering everything from troubleshooting engine problems to performing major overhauls.
* **Transmission:** Understand the operation of your transmission and learn how to diagnose and repair common transmission issues.
* **Suspension, Steering, and Brakes:** Gain expertise in maintaining and repairing your suspension, steering, and braking systems, ensuring a smooth and safe ride.
* **Body:** This section covers bodywork repair, including panel replacement, paint procedures, and rust prevention.
* **Body Equipment:** Learn about the electrical and mechanical systems related to your car's body, such as door locks, windows, and mirrors.
* **Electrical System:** Decipher the complex wiring of your BMW, with detailed diagrams and troubleshooting guides for electrical problems.
* **Equipment and Accessories:** Find information on optional accessories and equipment, including audio systems, navigation, and climate control.
* **Electrical Wiring Diagrams:** Navigate through comprehensive wiring diagrams to understand the flow of electricity throughout your vehicle.

This manual is your ultimate resource for keeping your BMW in top condition. With its detailed instructions, step-by-step guidance, and comprehensive information, you'll have the knowledge and confidence to handle any repair project yourself, saving you time and money.

The BMW 3 Series (E46) is a compact executive car that was produced by the German automaker BMW from 1998 to 2006. The E46 was the fourth generation of the 3 Series, and it was a significant departure from its predecessor, the E36. The E46 introduced a new platform, a more modern design language, and a number of technological advancements. It was available in a wide range of body styles, including a sedan, coupe, convertible, wagon, and even a short-wheelbase compact hatchback known as the 3 Series Compact.

The E46 3 Series was praised for its handling, performance, and overall refinement. It was also one of the first BMWs to feature the iDrive infotainment system. The E46 3 Series was a huge commercial success for BMW, selling over 2.9 million units worldwide, making it one of the best-selling BMWs of all time. The E46 was also a popular choice amongst car enthusiasts, and it has become a highly sought-after classic car in recent years. The E46 was available with a wide range of engines, including four-cylinder, six-cylinder, and even an eight-cylinder V8 in the M3 model. The E46 3 Series also offered a variety of transmissions, including manual, automatic, and the SMG (Sequential Manual Gearbox). The E46 was available with both rear-wheel drive (RWD) and all-wheel drive (AWD) systems. The E46 3 Series is known for its comfortable and spacious interior, despite its compact size. It is also known for its luxurious features, such as leather upholstery, heated seats, and a powerful sound system.