The MazdaSpeed3, a performance-oriented compact hatchback, was first introduced in 2006 as the inaugural generation (BK) of Mazda's sporty Mazda3 variant. This model is powered by a 2.3-liter MZR DISI Turbo engine, generating 263 horsepower and 280 lb-ft of torque, paired with a 6-speed manual transmission. Known for its sport-tuned suspension, aggressive styling, and engaging driving dynamics, the MazdaSpeed3 was positioned as a compelling choice for enthusiasts seeking a practical yet high-performance daily driver, earning a spot on Car and Driver's 10Best list in 2007. It was assembled in Hofu, Yamaguchi, Japan.

This comprehensive Workshop Service Repair Manual provides detailed information for the complete service and repair of the MazdaSpeed3 (BK1). It covers all major vehicle systems, including engine mechanicals, cooling, lubrication, fuel injection, ignition, turbocharging, emissions control, manual transmission, clutch system, driveline, brake systems, suspension, steering, and electrical systems. The manual includes step-by-step repair procedures, diagnostic troubleshooting charts, maintenance schedules, technical specifications, and torque values, making it an essential resource for owners and professional technicians alike to ensure the optimal performance and longevity of the vehicle.