The Mazda 3, first introduced for the 2004 model year under the BK generation chassis code, is a compact car celebrated for its engaging driving dynamics, sporty styling, and superior interior quality. Designed to appeal to young professionals, enthusiasts, and families, this model embodies Mazda's Jinba Ittai philosophy, emphasizing the connection between driver and machine. Available with a 2.0L or a more powerful 2.3L MZR engine, and paired with either a 5-speed manual or a 4-speed automatic transmission, the Mazda 3 offered a compelling blend of performance and practicality, earning it a spot on Car and Driver's 10Best list in 2004. Its robust engineering and high user satisfaction ratings underscore its reliability and enduring appeal in the competitive compact car segment. This comprehensive Workshop Service Repair Manual, presented in English, provides extensive guidance for the Mazda 3, covering North American and global market variations. With an estimated 1500-2000 pages, it delves into every aspect of the vehicle, from routine maintenance procedures like oil changes and filter replacements to in-depth diagnostics and full repair or rebuilds of major systems. The manual details coverage for powertrain, drivetrain, chassis, and electrical systems, offering crucial technical specifications such as torque values and fluid capacities. It serves as an indispensable resource for owners, mechanics, and technicians, ensuring the proper maintenance, troubleshooting, and repair of the vehicle to maintain its optimal performance and longevity.