🏷️ Basic Information Identification Make: BMW Model: 330i / 330xi Year: 2004 Generation Chassis Code: E46 Codes Engine Code Primary: M54B30 👋 Introduction Market Position Segment: Compact Executive Sedan/Wagon Competitive Analysis Key Competitors: Mercedes-Benz C-Class, Audi A4, Lexus IS, Acura TL Key Features Driving Dynamics: Renowned for balanced handling, rear-wheel drive bias (xi models add AWD) Engine Performance: Smooth and powerful inline-six engine 📋 Manual Details Coverage Areas Coverage Scope: Complete Factory Service Repair Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Service, Repair, Overhaul, Diagnostics, Fuel Injection, Cooling, Lubrication, Emissions Transmission: Service, Repair, Diagnostics (Manual & Automatic) Drivetrain: Differential, Axles, AWD System (xi models) Brakes: Service, Repair, Diagnostics, ABS, DSC Suspension: Service, Repair, Diagnostics, Front, Rear Steering: Service, Repair, Diagnostics, Power Steering Electrical: System Diagnostics, Wiring Diagrams, Component Testing, ECU Function Chassis Body: Bodywork Repair, Exterior Trim, Interior Trim, Chassis Components HVAC: Heating, Ventilation, Air Conditioning Service and Repair Restraint Systems: Airbags, Seatbelts, SRS System Diagnostics Procedures Included Maintenance: General Maintenance, Periodic Lubrication, Fluid Changes, Filter Replacements Troubleshooting: Advanced Diagnostic Procedures, Fault Code Interpretation, Symptom-Based Diagnosis Repair: Step-by-step repair procedures for all major and minor components Rebuilding: Engine and transmission rebuild procedures Tuning: While not explicit, diagnostic and system adjustments are covered Technical Depth Depth: Comprehensive (Factory Level) 📊 Manual Specifications File Format Format Details: PDF, Adobe Reader Compatible, Searchable Text Print Quality Printability: Fully Printable (Individual pages or entire manual) Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-Cylinder Displacement: 3.0 Liters (2979 cc) Bore X Stroke: 84.0 mm x 89.6 mm Compression Ratio: 10.2:1 Performance Horsepower: 225 hp @ 6100 rpm Torque: 214 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (S54 variant) Fuel Type: Premium Unleaded Gasoline (91+ octane) Engine Management ECU Type: MS43 (likely for early 2004 models) or MS45 (likely for later 2004 models) 🔧 Transmission Standard Transmission Type: 5-Speed Manual (SMG optional on some markets) Optional Automatic Transmission: 5-Speed Automatic Steptronic Features All Wheel Drive: xDrive AWD System (on 330xi models) 📐 Dimensions Exterior Wheelbase: 107.3 inches (2726 mm) Length: 177.4 inches (4506 mm) Width: 68.7 inches (1745 mm) Height: 55.7 inches (1415 mm) Weights Curb Weight 330I: ~3400 lbs (1542 kg) Curb Weight 330Xi: ~3550 lbs (1610 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (Driver and Passenger) IIHS Side Impact: Good (for models equipped with side airbags) Active Features Traction Control: Automatic Stability Control and Traction (ASC+T) Stability Control: Dynamic Stability Control (DSC) Passive Features Airbags: Frontal, Side-Impact, and Optional Head Protection Airbags 💡 Technology Features Infotainment Head Unit Options: Standard BMW Business CD, optional BMW Professional CD/Navigation system Display: Central LCD screen for climate, audio, and optional navigation Driver Assistance Cruise Control: Standard cruise control Parking Assistance: Optional rear parking sensors Connectivity Phone Integration: Optional Bluetooth hands-free preparation 🔧 Maintenance Service Intervals Oil Change Interval: Variable (Condition Based Service - typically 10,000-15,000 miles or 12-24 months) Spark Plug Replacement: 60,000 - 100,000 miles (depending on plug type, typically Iridium) Coolant Flush: Every 2-4 years or 30,000-50,000 miles (BMW Blue Coolant) Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) Approved Synthetic SAE 0W-30 or 5W-30 Engine Oil Capacity: 6.5 Liters (approx. 6.9 US Quarts) Transmission Fluid Manual: BMW MTF LT-2 (or equivalent GL-4 SAE 75W-80) Transmission Fluid Automatic: BMW ATF LT-3 (or equivalent Dexron III/VI) Coolant Type: BMW Blue Antifreeze/Coolant Brake Fluid Type: DOT 4 Known Issues Vibration Issues: Driveshaft flex disc failure, center support bearing wear Cooling System Problems: Plastic expansion tank cracks, water pump impeller failure (especially later models with plastic impellers) Oil Leaks: Valve cover gasket, oil pan gasket, oil filter housing gasket Subframe Mounts: Cracking or separation of rear subframe mounting points Electrical Gremlins: Water ingress into footwell modules (GM5 module), ABS/DSC sensor failures 📚 Vehicle History Brand Heritage Brand Focus: Known for sporty driving dynamics, engineering precision, and luxury. Model Evolution E46 Generation: Fourth generation of the BMW 3 Series, introduced for the 1998 model year, with significant updates for the 2001 facelift. Production Production Years: 2000-2006 (E46 generation 330 models) Manufacturing Locations: Germany, South Africa, Egypt, Thailand, Russia, Brazil, India 🏆 Awards & Recognition Recognitions Car And Driver Best 10: Car and Driver's 10Best Cars lists for multiple years during its production run. Ratings Consumer Reports Reliability: Generally rated as average to above average for its era, with specific model year variations.