The 2011 Mazdaspeed3 represents a compelling blend of performance and practicality, built upon Mazda's renowned 'Jinba Ittai' driving philosophy. This compact performance hatchback, part of the second generation Mazda3 family, features a potent 2.3L MZR DISI Turbo inline-4 engine delivering 263 horsepower and 280 lb-ft of torque, paired with a 6-speed manual transmission and often a limited-slip differential. Engineered for enthusiast drivers, it offers a sport-tuned suspension and responsive handling, distinguishing itself from competitors like the Volkswagen GTI and Honda Civic Si. Its versatile hatchback design ensures daily drivability without compromising its spirited character, making it a unique offering in its segment. This comprehensive Factory Service Manual provides in-depth repair and service information for the 2011 Mazdaspeed3 (BK chassis). With over 1500 pages of content, it covers all major systems, including engine mechanical and electrical, transmission, brakes, suspension, steering, HVAC, and body components. The manual details scheduled maintenance, step-by-step repair procedures, overhaul instructions, installation guides, and includes essential technical specifications, torque values, and wiring diagrams. It is an indispensable resource for owners, mechanics, and technicians, offering factory-level diagnostic and troubleshooting guidance to ensure the optimal performance and longevity of the vehicle.