The Mazda 3, produced for the 2009-2012 model years, represents a significant offering in the compact car segment, known for its sporty handling, stylish design, and reliable performance, embodying a philosophy of driving enjoyment. Available in both 4-door sedan and 5-door hatchback body styles, this vehicle typically features front-wheel drive and offers a range of engines, including 2.0L and 2.3L variants, with the latter available as a turbocharged engine in performance models for enhanced performance. Its engineering prioritizes driver engagement, making it a compelling choice for those seeking a dynamic driving experience. This comprehensive Workshop Service Repair Manual is designed to provide detailed technical information for the Mazda 3 (BK/BL chassis code) from 2009-2012. It covers all essential systems, including engine mechanicals, lubrication, cooling, fuel injection, ignition, exhaust, emissions, engine management, transmissions (manual and automatic), clutch, driveline, brakes, steering, suspension, and electrical systems. The manual includes maintenance procedures, repair instructions, diagnostic guides, and technical specifications necessary for effective upkeep and repair, ensuring optimal performance and longevity of your vehicle.