🏷️ Basic Information Identification Make: BMW Model: M3 Year: 2004 Codes Chassis Code: E46 Engine Code: S54 👋 Introduction Market Position Positioning: The BMW M3 (E46) is a high-performance variant of the 3 Series, celebrated for its exceptional handling, powerful engine, and driver-focused experience, positioned as a premium sports coupe/convertible. Competitive Analysis Competitors: Porsche 911 (996), Mercedes-Benz C32 AMG, Audi RS4 (B5/B7). Key Features Performance Focus: The E46 M3 is renowned for its naturally aspirated S54 inline-six engine, balanced chassis, and engaging driving dynamics. Manual Utility: This manual is indispensable for owners and technicians seeking to maintain, diagnose, and repair the complex systems of the E46 M3 to factory standards. 📋 Manual Details Coverage Areas Primary Coverage: Complete service and repair information for the 2004 BMW M3 (E46) Secondary Coverage: Diagnostics, troubleshooting, maintenance schedules, specifications Page Count Estimated Pages: 1000+ Manual Type Type: Factory Service Manual (FSM) / Repair Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (S54B32), cooling system, fuel system, exhaust system, clutch, transmission (SMG/Manual), differential, driveshafts Chassis: Suspension (front/rear), steering system, braking system (including DSC), wheel and tire specifications Electrical: Battery, charging system, ignition system, lighting, instrumentation, power accessories, DME (Digital Motor Electronics), wiring diagrams Body: Body panels, doors, windows, convertible top (if applicable), interior trim, HVAC system Procedures Included Maintenance: Oil changes, filter replacements, spark plug service, fluid checks and changes, belt inspections Repair: Engine rebuilds, transmission overhaul, brake caliper replacement, suspension component replacement, electrical component diagnosis and repair Diagnostics: Fault code interpretation, diagnostic procedures for all major systems, troubleshooting flowcharts Troubleshooting: Systematic troubleshooting for common and uncommon issues, component testing procedures Technical Depth Depth: Comprehensive; covers basic maintenance to complete engine and transmission overhauls, advanced electrical diagnostics, and bodywork repair. Diagnostic Tools: Mentions procedures for use with BMW's official diagnostic tools (e.g., DIS, ISTA/D) and general OBD-II scanning. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Likely text-searchable (depending on original scan quality) Print Quality Printability: Designed for printing, allowing users to print specific sections or the entire manual. Binding Type Binding Recommendation: Spiral binding recommended for ease of use while working in the shop. Paper Type Recommended Paper: High-quality, durable paper for shop use. ⚙️ Engine Specifications Primary Engine Engine Model: S54B32 Engine Type: Naturally Aspirated Inline-6 Displacement: 3.2 Liters (3246 cc) Performance Horsepower: 333 hp @ 7900 rpm Torque: 262 lb-ft @ 4900 rpm Redline: 8000 rpm Fuel System Induction: Individual Throttle Bodies (ITBs), Sequential Electronic Fuel Injection (SEFI) Fuel Type: Premium Unleaded Gasoline (91+ Octane) Engine Management Dme Model: MS43 or MS43.1 🔧 Transmission Standard Type Standard: 6-speed Manual Transmission (Getrag 420G) Optional Type Optional: 6-speed Sequential Manual Gearbox (SMG II) Features Clutch Type: Hydraulically Actuated Single Dry Plate Clutch Differential: Limited-Slip Differential (M Variable Lock) 📐 Dimensions Exterior Coupe Length: 181.5 inches (4610 mm) Coupe Width: 71.5 inches (1816 mm) Coupe Height: 54.3 inches (1380 mm) Wheelbase: 107.4 inches (2729 mm) Weights Curb Weight Coupe Manual: 3459 lbs (1569 kg) Curb Weight Coupe Smg: 3505 lbs (1590 kg) Gross Vehicle Weight Rating: 4740 lbs (2150 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 4/5 Stars (Driver/Passenger) IIHS Side Impact: Good Active Features Traction Control: Dynamic Stability Control (DSC) Braking: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD) Passive Features Airbags: Front dual-stage airbags, front side-impact airbags Seat Belts: 3-point inertia-reel seatbelts with front force limiters 💡 Technology Features Infotainment Head Unit: BMW Business CD, BMW Professional CD, optional navigation system Audio System: Standard 6-speaker system, optional Harman Kardon premium audio Driver Assistance Stability Control: Dynamic Stability Control (DSC) Cruise Control: Standard cruise control system Connectivity Bluetooth: Optional Bluetooth integration for hands-free calling (often requiring a specific phone cradle) 🔧 Maintenance Service Intervals Oil Change Interval Bmw Recommendation: Variable, based on 'Condition Based Service' (CBS) system, typically around 15,000 miles or annually. Spark Plug Replacement Interval: Approximately 60,000 miles Coolant Flush Interval: Every 2-3 years or 30,000 miles Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) Synthetic, SAE 0W-40 or 5W-30 Engine Oil Capacity: 6.9 US quarts (6.5 liters) Coolant Type: BMW Blue Antifreeze/Coolant (G48) Brake Fluid Type: DOT 4 (low viscosity recommended) Transmission Fluid Manual: SAE 75W-90 Synthetic Gear Oil (e.g., Castrol TWS) or BMW recommended equivalent Transmission Fluid Smg: Pentosin CHF 11S (Hydraulic Fluid) Known Issues Subframe Mounts: Cracking or separation of rear subframe mounting points Rod Bearings: Potential wear of connecting rod bearings due to high-performance operation (especially with aggressive driving) Vanos: Potential issues with the Variable Valve Timing (VANOS) system, including solenoids and seals Smg Pump: SMG hydraulic pump failure or accumulator issues 📚 Vehicle History Brand Heritage Bmw M Division: BMW M GmbH (formerly Motorsport) has a legacy of producing high-performance road cars derived from racing technology. Model Evolution E46 M3 Introduction: Introduced in 2000...