🏷️ Basic Information Identification Make: BMW Model: M3 Year: 2005 Codes Chassis Code: E46 Engine Code: S54 👋 Introduction Market Position Positioning: High-performance sports sedan, targeting enthusiasts and performance-oriented drivers. Competitive Analysis Competitors: Audi RS4, Mercedes-Benz C55 AMG, Porsche 911 (996 generation). Key Features Performance Focus: Naturally aspirated S54 inline-6 engine, legendary handling dynamics, M-tuned suspension and brakes. Driver Experience: Driver-centric cockpit, communicative steering, powerful M differential. Target Audience Audience: BMW enthusiasts, DIY mechanics, professional technicians specializing in BMW vehicles. 📋 Manual Details Coverage Areas Areas Covered: Full vehicle service, repair, and diagnostic procedures Page Count Estimated Page Count: 1500+ Manual Type Type: Factory Repair Manual / Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: S54 Engine: Maintenance, overhaul, diagnostics, timing, VANOS system Transmission: SMG (Sequential Manual Gearbox) and Manual Transmissions: Operation, repair, clutch, hydraulics, driveshafts Drivetrain: Differential, axles, wheel bearings, lubrication Suspension: Front and Rear Suspension: Control arms, bushings, springs, dampers, steering components, alignment Brakes: ABS, DSC, Brake hydraulics, calipers, pads, rotors, bleeding procedures Electrical: Wiring diagrams, fuses, relays, lighting, ignition, starter, charging system, ECU diagnostics Comfort Systems: HVAC, climate control, power windows, locks, mirrors, seats, sunroof Body: Body panels, doors, bumpers, interior trim, glass replacement Diagnostics: OBD-II, DTC codes, troubleshooting procedures, diagnostic tool usage Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug service, fluid checks and flushes Engine Repair: Head gasket replacement, piston ring service, valve adjustment, bearing replacement Transmission Repair: Clutch replacement, SMG hydraulic unit service, gearbox rebuild Suspension And Steering: Bushings replacement, shock absorber installation, steering rack overhaul Brake System Overhaul: Caliper rebuilding, ABS module diagnostics, brake fluid flush and replacement Electrical Diagnostics And Repair: Troubleshooting wiring harnesses, component replacement (alternator, starter, ECU), sensor diagnostics Body And Interior: Panel alignment, weatherstripping replacement, interior trim repair Troubleshooting Guides: Fault code interpretation and resolution steps Special Tools: Identification and usage of BMW-specific tools Technical Depth Depth: Comprehensive: From basic maintenance to full engine and transmission rebuilds, including detailed diagnostics and component-level repair. 📊 Manual Specifications File Format File Type: PDF Searchability: Fully searchable text Printability: Printable pages Print Quality Quality: High-resolution scans of original factory documentation Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Completeness Completeness: Complete factory service manual ⚙️ Engine Specifications Primary Engine Engine Name: S54B32 Configuration: Inline 6-cylinder, Naturally Aspirated Displacement: 3.2 Liters (3246 cc) Performance Horsepower: 333 hp @ 7900 rpm Torque: 262 lb-ft @ 4900 rpm Redline: 8000 rpm Bore X Stroke: 87.0 mm x 91.0 mm Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (SFI), individual throttle bodies Fuel Type: Premium Unleaded Gasoline (91+ Octane) Engine Management ECU: MS43 DME (Digital Motor Electronics) Valve Train: Double Overhead Camshafts (DOHC), 4 valves per cylinder, Double VANOS 🔧 Transmission Standard Type: 6-Speed Manual (Getrag 420G) Optional Type: 6-Speed SMG II (Sequential Manual Gearbox) Features Clutch: Hydraulically actuated dual-mass flywheel clutch Smg Modes: Sport, Comfort, Manual Shift modes with paddle or lever control Differential: M Variable Lock Differential (30% Locking) 📐 Dimensions Exterior Length: 177.7 inches (4513 mm) Width: 70.1 inches (1780 mm) Height: 55.0 inches (1397 mm) Wheelbase: 107.5 inches (2730 mm) Weights Curb Weight: 3,472 lbs (1575 kg) Manual / 3,571 lbs (1620 kg) SMG 🛡️ Safety Features Ratings NHTSA Front Impact: Not explicitly rated by NHTSA for this year/model, but generally excellent for its class. Active Features Traction Control: Dynamic Stability Control (DSC), M Dynamic Mode (MDM) Braking System: ABS, Electronic Brake Force Distribution (EBD), Dynamic Brake Control (DBC) Passive Features Airbags: Front dual-stage airbags, Front side airbags, Front and rear head protection system (Side Curtain Airbags) Chassis: Reinforced chassis structure, crumple zones Headlights: Xenon Adaptive Headlights (Optional) 💡 Technology Features Infotainment System: BMW Professional Radio, optional Navigation system (MKIV unit). Audio Controls: Steering wheel mounted audio controls. Driver Assistance Cruise Control: Standard cruise control. Parking Assistance: Optional Rear Park Distance Control (PDC). Connectivity Bluetooth: Optional Bluetooth hands-free facility. Convenience Climate Control: Automatic climate control with individual temperature settings. 🔧 Maintenance Service Intervals Oil Change: Variable service interval indicator (CBS), typically 10,000-15,000 miles or annually. Insp 1 Service: Comprehensive inspection and service, includes spark plugs, filters, valve check, and fluid replacement (approx. 30,000 miles). Insp 2 Service: More intensive service, often includes brake fluid flush, differential fluid, and transmission fluid (approx. 60,000 miles). Fluid Specifications Engine Oil: BMW Longlife-01 (LL-01) approved synthetic oil, SAE 0W-40 or 5W-40. Capacity: 6.9 liters (7.3 US quarts). Coolant: BMW Blue Antifreeze/Coolant (G48). 50/50 mix with distilled water. Capacity: Approx. 9.5 liters. Brake Fluid: DOT 4, BMW recommendation is often a high-performance DOT 4 or DOT 4 LV. Capacity: Approx. 1 liter. Transmission Fluid Manual: MTF LT-2 (BMW Part # 83 22 0 309 031). Capacity: Approx. 1.5 liters. Transmission Fluid Smg: Pentosin CHF 11S (BMW Part # 83 29 0 429 576)...