The Mazda3, a compact car produced by Mazda, represents the second generation of this popular model, with production spanning from 2008 to 2013. Known for its stylish 'Nagare' design language and renowned for its sporty handling and engaging driving experience, the Mazda3 consistently offered reliable and fuel-efficient powertrain options. This vehicle, often competing in the C-segment against models like the Honda Civic and Toyota Corolla, garnered accolades for its safety performance, receiving high ratings from organizations like IIHS, and was frequently praised by automotive publications for its value and dynamic capabilities. This comprehensive service and repair manual is designed to provide detailed guidance for the Mazda3 (BK chassis code) for the North American market. It covers a vast array of systems, including complete engine mechanicals, transmissions (manual and automatic), drivetrain, suspension, steering, brakes, and all electrical systems. The manual offers step-by-step repair instructions, diagnostic procedures, troubleshooting charts, wiring diagrams, and torque specifications. Its purpose is to assist owners, mechanics, and technicians in performing all aspects of vehicle maintenance, repair, and diagnostics, ensuring the continued optimal performance and longevity of the vehicle.