This comprehensive workshop repair manual provides detailed instructions for repairing and maintaining your BMW 3 Series M3, 323i, 325i, 325xi, 328i, 330i, and 330xi models from 1999 to 2005. It is designed to help both seasoned mechanics and beginners understand the intricacies of these vehicles. The manual covers a wide range of topics, including fundamental automotive concepts, engine management and driveability, engine diagnostics, ignition systems, fuel systems, cooling systems, exhaust systems, emission controls, manual and automatic transmissions, clutches, driveshafts, final drives, braking systems, suspension and steering components, bodywork, interior features, and electrical systems. With its detailed diagrams, step-by-step instructions, and comprehensive index, this manual is the essential resource for anyone working on these BMW models.

The BMW 3 Series (E46) is a compact executive car that was produced by BMW from 1998 to 2006. The E46 generation was the fifth generation of the 3 Series, succeeding the E36. It included a wide variety of body styles, including sedans, coupes, convertibles, and wagons. The 3 Series E46 was praised for its handling, performance, and overall refinement, and it quickly became one of the most popular luxury sedans in the world. Among the many variants within this generation, the BMW M3 is a high-performance version of the 3 Series, designed for enthusiasts. It featured a powerful S54 inline-six engine, upgraded suspension, and a more aggressive body style. The M3 was considered to be a benchmark for high-performance cars in its segment, and it was known for its exceptional handling, acceleration, and braking. The 3 Series E46 was offered with a wide range of engines, including gasoline and diesel options. The gasoline engines ranged from the 1.9-liter four-cylinder in the 316i to the 3.2-liter six-cylinder in the 330i. The diesel engines included a 2.0-liter four-cylinder and a 3.0-liter six-cylinder. The 3 Series E46 was also available with a variety of transmissions, including a five-speed manual, a five-speed automatic, and a six-speed manual. The 3 Series E46 was equipped with a number of features, including power windows, power steering, air conditioning, and a stereo system. Higher trim levels added features such as leather upholstery, heated seats, navigation, and xenon headlights.