This comprehensive BMW 3 Series E46 2004 Workshop Service Repair Manual provides in-depth information for servicing, maintaining, and troubleshooting your vehicle. Covering all models, engines, trims, and transmission types, this manual is a complete and detailed resource for both professional technicians and DIY enthusiasts.

The manual is organized for easy navigation and includes detailed illustrations, diagrams, and photos to guide you through every procedure. It covers a wide range of topics, including general maintenance, troubleshooting, engine service and repair, transmission service and repair, brake system, wiring diagrams, electrical system, suspension, periodic lubrication, steering, cooling system, fuel injection/fuel system, emission system, heater/air conditioning, engine control system, chassis/body, restraint system, interior, differential/drive, and axle.

The manual features step-by-step instructions, critical specifications, disassembly and assembly procedures, cleaning procedures, and much more. It also includes notes, cautions, and warnings throughout each chapter to highlight important information. With this detailed manual, you will have access to the same information used by professional technicians, allowing you to perform repairs and maintenance confidently and save money on costly repair bills.

The BMW 3 Series E46, produced from 1998 to 2006, is a compact executive car that represents a significant chapter in the brand's history. This generation saw BMW refine and elevate the 3 Series formula, delivering a blend of sporty handling, refined comfort, and practical functionality. The E46 marked a departure from the angular design language of its predecessor, adopting flowing lines and a more contemporary aesthetic. It also introduced significant advancements in technology, including the iDrive infotainment system, and refinements to the suspension and drivetrain, resulting in a car that set the benchmark for its segment. The range was diverse, encompassing various body styles, including the iconic sedan, coupe, convertible, and even a wagon variant known as the Touring. Engine options were equally varied, ranging from efficient four-cylinder units to powerful six-cylinder engines, including the legendary M3 with its naturally aspirated 3.2-liter inline-six.

The 2004 BMW 3 Series E46, specifically, represents the later years of the model's production run. By this time, several updates and refinements had been implemented, addressing initial criticisms and enhancing overall performance and comfort. The 2004 model year saw the introduction of revised styling elements, including new headlights and taillights, and further improvements to the interior. Notably, the 2004 model also saw the introduction of the first generation of the BMW EfficientDynamics program, which aimed to improve fuel efficiency and reduce emissions. This included technologies like regenerative braking and optimized engines, reflecting a growing emphasis on environmental responsibility in the automotive industry. The 2004 3 Series E46 continued to be a popular choice for both enthusiasts and everyday drivers, offering a compelling combination of performance, practicality, and luxury in a compact package.