🏷️ Basic Information Identification Make: BMW Model: M3 Year: 2005 Codes Chassis Code: E46 Engine Code Variant: S54B32 👋 Introduction Market Position Market Segment: High-performance luxury sports sedan/coupe. Competitive Analysis Key Competitors: Mercedes-Benz C63 AMG, Audi RS4, Cadillac CTS-V, Lexus IS-F. Key Features Performance Focus: Renowned for its naturally aspirated inline-six engine, sharp handling, and driver-centric experience. Manual Value: Indispensable resource for owners and independent mechanics seeking to maintain and repair this iconic M car. 📋 Manual Details Coverage Areas Topic Coverage: Full service, repair, and diagnostic instructions for the 2005 BMW M3 (E46). Page Count Estimated Pages: Over 1500 pages (typical for comprehensive workshop manuals) Manual Type Type: Service and Repair Workshop Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (S54), Transmission (SMG/Manual), Differential, Driveshafts, Axles. Chassis: Suspension (Front/Rear), Steering, Brakes (ABS/DSC), Wheels, Tires. Electrical: ECU, Wiring Diagrams, Lighting, Instruments, Audio, Climate Control, Power Accessories, Immobilizer. Body And Interior: Body Panels, Doors, Seats, HVAC System, Trim, Safety Restraints (Airbags). Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and changes, spark plug replacement, inspections. Repair: Engine rebuilds, transmission overhaul, suspension component replacement, brake caliper service, electrical component troubleshooting and replacement. Diagnostics: Troubleshooting guides for common symptoms, diagnostic trouble codes (DTCs), specific component testing procedures. Technical Depth Depth: Comprehensive: Covers routine maintenance, detailed component disassembly/reassembly, advanced diagnostic procedures, torque specifications, and system schematics. 📊 Manual Specifications File Format File Type: Searchable PDF Print Quality Quality: High-resolution scans suitable for printing individual pages or entire sections. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline-6 (I6) Displacement: 3.2 Liters (3246 cc) Valvetrain: DOHC, 24 Valves (Double VANOS, M Power Coated Camshafts) Bore X Stroke: 87.0 mm x 91.0 mm Performance Horsepower: 333 hp @ 7900 rpm Torque: 262 lb-ft (355 Nm) @ 4900 rpm Redline: 8000 rpm Fuel System Fuel Delivery: Multi-point Fuel Injection (Bosch Motronic ME7.2) Fuel Type: Premium Unleaded (91+ Octane) Lubrication Oil Capacity: 6.5 Liters (6.9 US Quarts) Cooling System Coolant Capacity: 8.0 Liters (8.5 US Quarts) 🔧 Transmission Standard Transmission Type: 6-speed Manual Transmission (Getrag 420G) Optional Transmission Type: 6-speed Sequential M Gearbox (SMG II) Features Clutch Type: Hydraulic, Single Plate Dry Clutch Gear Ratios Manual: 1st: 4.23, 2nd: 2.50, 3rd: 1.67, 4th: 1.24, 5th: 1.00, 6th: 0.83 Differential: Limited Slip Differential (M Variable Lock) Maintenance Manual Transmission Fluid Type: BMW MTF LT-2 (or equivalent) Smg Transmission Fluid Type: Pentosin CHF 11S 📐 Dimensions Exterior Wheelbase: 2761 mm (108.7 in) Length: 4488 mm (176.7 in) Width: 1781 mm (70.1 in) Height: 1367 mm (53.8 in) Weights Curb Weight Manual: 1570 kg (3461 lbs) Curb Weight Smg: 1580 kg (3483 lbs) Gross Vehicle Weight Rating: 1970 kg (4343 lbs) Wheels And Tires Wheelbase: 18-inch M Double Spoke Alloy Wheels Front Tire Size: 225/40 R18 Rear Tire Size: 255/35 R18 Bolt Pattern: 5x120 🛡️ Safety Features Ratings NHTSA Front Impact: 4/5 Stars (Driver/Passenger) IIHS Front Impact: Good Active Features ABS: Standard (ABS with Brake Assist) Traction Control: Standard (DSC - Dynamic Stability Control, with MDM - M Dynamic Mode) Passive Features Airbags: Frontal airbags for driver and front passenger, side-impact airbags. Seatbelts: 3-point inertia-reel seat belts with pretensioners. Body Structure: Reinforced safety cell and energy-absorbing crumple zones. 💡 Technology Features Infotainment Head Unit: BMW Professional CD Player with optional navigation system (MKIV). Audio System: Standard 6-speaker system, optional Harman Kardon premium audio. Driver Assistance Stability Control: DSC (Dynamic Stability Control) with MDM (M Dynamic Mode) for a less intrusive electronic intervention. Cruise Control: Standard cruise control. Connectivity Auxiliary Input: Optional auxiliary audio input port. Performance Tech Throttle System: Drive-by-wire electronic throttle control system. 🔧 Maintenance Service Intervals Oil Change Interval: Variable Service Interval (CBS) system, typically 7,500-10,000 miles or annually, depending on driving conditions. Spark Plug Replacement: Approximately 60,000 miles (refer to manual for specific S54 recommendations). Brake Fluid Flush: Every 2 years (regardless of mileage). Fluid Specifications Engine Oil Spec: BMW High Performance SAE 5W-30 Synthetic (e.g., BMW Ultimate Engine Oil or equivalent API SN, ACEA C3). Coolant Spec: BMW Blue Antifreeze/Coolant (G48), 50/50 mix with distilled water. Brake Fluid Spec: DOT 4 High Performance Brake Fluid. Known Issues Rod Bearings: Prone to wear if oil is neglected or if the engine is consistently driven hard at high RPM without proper warm-up. Inspection and potential replacement are critical maintenance items for high-mileage examples. Oil Vanos Hoses: VANOS (Variable Valve Timing) system can develop leaks from seals and hoses, affecting performance and fuel economy. Rebuild kits are available. Subframe Mounts: Rear subframe mounting points can crack due to the high torque and stress. Reinforcement kits are recommended for track use. 📚 Vehicle History Brand Heritage Bmw Motorsport: BMW M GmbH is renowned for its high-performance automotive division, established...