🏷️ Basic Information Identification Make: BMW Model: M3 Year: 2005 Codes Chassis Code: E46 Engine Code: S54 👋 Introduction Market Position Positioning: The 2005 BMW M3 (E46) represented the pinnacle of compact performance sedans and coupes of its era, targeting driving enthusiasts seeking a blend of everyday usability and track-ready capability. Competitive Analysis Competitors: Competed directly with cars like the Mercedes-Benz C55 AMG, Audi RS4 (B5 generation), and Porsche 911 (996). Key Features Performance Focus: High-revving naturally aspirated S54 engine, motorsport-derived chassis tuning, precise steering, powerful brakes. Driving Experience: Renowned for its driver-centric cockpit, communicative steering, and engaging handling characteristics, often described as one of the last 'analog' M cars. Target Audience Audience: Automotive enthusiasts, DIY mechanics, and owners seeking to maintain or restore their E46 M3 to factory specifications. 📋 Manual Details Coverage Areas Coverage: Comprehensive service and repair for the 2005 BMW M3 (E46). Page Count Page Count: Estimated 1500-2000+ pages (typical for a full factory service manual). Manual Type Manual Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (S54), cooling system, exhaust system, fuel system, ignition system, lubrication system. Drivetrain: SMG (Sequential Manual Gearbox) and Manual transmissions, clutch system, drive shafts, differentials, axles. Chassis: Suspension (front and rear), steering system, braking system (including ABS and DSC), wheels and tires. Electrical: Engine management system, body electronics, lighting, instrumentation, infotainment, comfort systems, wiring diagrams. Bodywork: Body panels, doors, windows, interior trim, heating, ventilation, and air conditioning (HVAC). Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug service, fluid level checks and top-offs, brake pad replacement. Engine Repair: Head gasket replacement, piston and ring inspection/replacement, camshaft and valvetrain service, engine assembly/disassembly. Transmission Repair: Clutch replacement, SMG hydraulic system service, gearbox rebuilds, differential service. Suspension Steering: Shock absorber/strut replacement, control arm bushings, tie rod ends, power steering pump and rack service. Brake Service: Brake pad and rotor replacement, caliper service, brake fluid flush and bleeding, ABS/DSC component testing. Electrical Diagnostics: Troubleshooting of electrical faults, component testing (sensors, actuators), diagnostic connector usage, wiring harness repair. Body Repair: Panel replacement, door mechanism adjustment, glass replacement, HVAC system diagnosis and repair. Troubleshooting: Diagnostic flowcharts, symptom-based troubleshooting guides for common issues. Technical Depth Depth: In-depth, factory-level detail covering disassembly, inspection, repair, and reassembly of all major vehicle systems. Diagnostics: Advanced diagnostic procedures, including use of BMW proprietary diagnostic tools (e.g., DIS, ISTA) and interpretation of fault codes. Specifications: Torque specifications, clearances, tolerances, and diagnostic parameters for all components and systems. 📊 Manual Specifications File Format File Format: PDF Searchability: Searchable text for quick access to information. Print Quality Print Quality: High-resolution scans suitable for printing key sections or the entire manual. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline-6 Engine Code: S54B32 Displacement: 3.2 Liters (3246 cc) Bore X Stroke: 87.0 mm x 91.0 mm Compression Ratio: 11.5:1 Valvetrain: DOHC 4 valves per cylinder with Double VANOS (variable intake and exhaust camshaft timing) and BMW's Valvetronic system (on later models, though not on the E46 M3 S54). Performance Horsepower: 333 hp @ 7900 rpm Torque: 262 lb-ft @ 4900 rpm Redline: 8000 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with individual throttle bodies. Fuel Type: Premium Unleaded Gasoline (91+ octane recommended) Engine Oil Oil Type: SAE 10W-60 (BMW recommended synthetic) Oil Capacity: 7.5 Liters (7.9 US Quarts) 🔧 Transmission Standard Transmission Type: 6-Speed Manual Transmission (Getrag 420G) Optional Transmission Type: 6-Speed Sequential Manual Gearbox (SMG II) Features Smg Features: Formula 1-inspired paddle shifters, adjustable shift characteristics (e.g., Sport mode). Fluid Specifications Manual Transmission Fluid: BMW MTF LT-2 or equivalent (e.g., Red Line MTL 70W80 GL-4) Smg Transmission Fluid: Pentosin CHF 11S (Hydraulic Fluid) 📐 Dimensions Exterior Coupe Length: 4488 mm (176.7 in) Coupe Width: 1781 mm (70.1 in) Coupe Height: 1373 mm (54.1 in) Convertible Length: 4488 mm (176.7 in) Convertible Width: 1781 mm (70.1 in) Convertible Height: 1367 mm (53.8 in) Wheelbase: 2760 mm (108.7 in) Weights Curb Weight Coupe: Approx. 1570 kg (3461 lbs) Curb Weight Convertible: Approx. 1770 kg (3902 lbs) Gross Vehicle Weight Rating: Approx. 1980 kg (4365 lbs) Cargo Trunk Volume Coupe: 430 Liters (15.2 cu ft) Trunk Volume Convertible: 300 Liters (10.6 cu ft) with roof up, less with roof down. 🛡️ Safety Features Ratings NHTSA Front Impact: 4 Stars (Driver), 4 Stars (Passenger) IIHS Side Impact: Good (for models with side airbags, which were optional) Active Features Traction Control: Dynamic Stability Control (DSC) - Advanced traction and stability management. Braking System: Anti-lock Braking System (ABS) with Electronic Brakeforce Distribution (EBD), performance brake calipers and vented discs. Passive Features Airbags: Front airbags, optional front side-impact airbags, optional rollover protection for convertibles. Seatbelts: Three-point inertia-reel seat belts...