The BMW 3 Series E46, produced from 1998 to 2006, represents a significant generation in BMW's esteemed history, embodying the brand's philosophy of "The Ultimate Driving Machine." Known for its refined chassis dynamics, responsive handling, and a range of powerful inline-six engines including the M54 series and the high-performance S54 in the M3, the E46 offered a compelling blend of sportiness and everyday usability. Available in sedan, coupe, convertible, and touring body styles, this model line consistently earned accolades, frequently appearing on Car and Driver's 10 Best lists, and was recognized for its engineering quality and driving pleasure. For the 2002 model year, specific engine options ranged from the 2.2L M54B22 to the potent 3.2L S54B32 in the M3, all paired with either manual or automatic transmissions. This comprehensive factory service repair manual provides in-depth coverage for all major mechanical and electrical systems of the 2002 BMW 3 Series E46. It details procedures for all gasoline and diesel engines, manual and automatic transmissions, suspension, steering, braking, and exhaust systems. The manual includes extensive information on engine management, drivetrain components, cooling and lubrication systems, fuel systems, climate control, and electrical systems, complete with wiring diagrams. With over 1500 pages of detailed, step-by-step instructions, troubleshooting guides, diagnostic procedures, and torque specifications, this English-language digital manual is an essential resource for BMW owners, DIY enthusiasts, and professional technicians seeking to maintain, repair, and understand their E46 vehicle.