The Mazda3, particularly the Third Generation (BM/BN) models, represents Mazda's commitment to sophisticated design, engaging driving dynamics, and fuel efficiency within the compact car segment. Built on the innovative Mazda Skyactiv Platform, this vehicle is renowned for its Kodo: Soul of Motion design philosophy, which imbues it with a sense of energy and motion. Offering a choice between the responsive Skyactiv-G 2.0L and more potent Skyactiv-G 2.5L engines, coupled with either a precise 6-speed manual (SKYACTIV-MT) or an advanced 6-speed automatic (SKYACTIV-Drive) transmission, the Mazda3 delivers a driving experience that embodies the Jinba-Ittai principle. Its premium interior, advanced safety features, and consistent recognition from automotive bodies underscore its position as a leading contender in its class, designed for discerning drivers. This comprehensive workshop service repair manual provides in-depth technical information essential for the maintenance, diagnosis, and repair of the Mazda3, Third Generation (BM/BN). Covering a vast array of systems including engine mechanicals, powertrain, chassis, brakes, electrical systems, and body/interior components, it offers detailed procedures for everything from routine maintenance like oil changes and filter replacements to complex overhauls and component installations. With its searchable digital format and high-resolution, printable pages, this manual serves as an indispensable resource for owners, mechanics, and technicians worldwide, enabling them to effectively understand, maintain, and repair their vehicles to factory specifications. 🏷️ Basic Information Identification Make: Mazda Model: Mazda3 Model Generation: Third Generation (BM/BN) Codes Chassis Codes: BM (Sedan/Hatchback), BN (Hatchback facelift) Platform: Mazda Skyactiv Platform 👋 Introduction Market Position Segment: Compact car (C-segment) Positioning: Premium compact, emphasizing driving dynamics, sophisticated design, and fuel efficiency. Competitive Analysis Key Competitors: Honda Civic, Toyota Corolla, Volkswagen Golf, Ford Focus, Subaru Impreza, Chevrolet Cruze. Key Features Design Philosophy: Kodo: Soul of Motion design language, focusing on capturing life and energy in motion. Powertrain Technology: Skyactiv-G (gasoline direct injection) and Skyactiv-D (diesel - depending on market) powertrains, emphasizing efficiency and responsiveness. Driving Dynamics: Focus on Jinba-Ittai (horse and rider as one) driving feel, with refined steering, suspension, and chassis tuning. 📋 Manual Details Coverage Areas Market Coverage: Global (with potential regional variations specified within the manual) Page Count Estimated Page Count: Hundreds (Full Factory Service Manual) Manual Type Type: Workshop Service Repair Manual (Factory) Language Language: English (Primary, often includes multiple languages in factory releases) Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, timing system, lubrication, cooling, intake and exhaust systems, fuel injection, ignition, emission controls. Powertrain Transmission: Manual transmission (M/T), Automatic transmission (A/T), clutch system, drive axles, differentials, transfer case (if applicable). Chassis Suspension Steering: Front suspension, rear suspension, shock absorbers, springs, steering gear, power steering system, wheel alignment. Brakes: Front brakes, rear brakes, ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), DSC (Dynamic Stability Control), parking brake, hydraulic systems. Electrical Electronics: Battery, charging system, starter, ignition system, lighting, instruments, gauges, warning indicators, power windows, locks, mirrors, wipers, horn, fuse box diagrams, wiring schematics. Body Interior: Body construction, exterior panels, doors, hood, trunk, interior trim, seats, HVAC (Heating, Ventilation, and Air Conditioning), airbags, seat belts, body sealing. Diagnostics Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based troubleshooting, diagnostic procedures, component testing. Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and top-ups, spark plug replacement, belt inspections, brake pad/rotor replacement, battery service. Repair: Engine overhaul, transmission rebuild, suspension component replacement, brake caliper/master cylinder replacement, electrical component repair, body panel repair, HVAC system service. Overhaul: Complete engine disassembly, cleaning, inspection, and reassembly; transmission overhaul. Installation: Component installation and removal procedures for all major systems. Technical Depth Depth: Comprehensive from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic flowcharts and wiring diagrams. 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: High-resolution, printable pages. Allows for printing of individual sections or the entire manual. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Searchability Text Search: Searchable text within the PDF for quick information retrieval. ⚙️ Engine Specifications Primary Engine Engine Code 1: PE-VPS (Skyactiv-G 2.0) Engine Type 1: Inline 4-cylinder, naturally aspirated Displacement 1: 1998 cc (2.0 liters) Bore X Stroke 1: 83.5 mm x 91.2 mm Compression Ratio 1: 13.0:1 Horsepower 1: Approx. 155 hp @ 6,000 rpm (varies by market) Torque 1: Approx. 148 lb-ft @ 4,000 rpm (varies by market) Optional Engine Engine Code 2: PY-VPS (Skyactiv-G 2.5) Engine Type 2: Inline 4-cylinder, naturally aspirated Displacement 2: 2488 cc (2.5 liters) Horsepower 2: Approx. 184 hp @ 5,700 rpm (varies by market) Torque 2: Approx. 185 lb-ft @ 3,250 rpm (varies by market) Performance Fuel Delivery: Direct Injection (DI) Ignition System: Electronic Ignition with Coil-on-Plug Fuel System Fuel Type: Unleaded gasoline (premium recommended for optimal performance) 🔧 Transmission Standard Transmission Type Std: 6-speed manual (SKYACTIV-MT) Optional Transmission Type Opt: 6-speed automatic (SKYACTIV-Drive) Features Automatic Features: Lock-up...