🏷️ Basic Information Identification Make: BMW Model: 330i Year: 2004 Codes Chassis Code: E46 Engine Code: M54B30 👋 Introduction Market Position Segment: Compact Executive Sedan Target Audience: Enthusiasts, DIY mechanics, professional technicians Competitive Analysis Key Competitors 2004: Mercedes-Benz C-Class, Audi A4, Lexus IS300, Infiniti G35 Key Features Vehicle Strengths: Engaging driving dynamics, premium interior, strong inline-six engine, sporty styling Manual Value Proposition: Enables owners to perform complex repairs and maintenance, saving on labor costs and ensuring proper vehicle upkeep. 📋 Manual Details Coverage Areas All Systems: Yes Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (M54B30), Transmission (GM A5S360R/A5S390R Automatic, Getrag 420G Manual), Drivetrain (Rear-wheel drive, Differential) Chassis: Suspension (Front MacPherson strut, Rear multi-link), Steering (Hydraulic power steering), Brakes (Front ventilated discs, Rear solid discs, ABS, DSC) Electrical: Engine control module (DME), Body control module (BCM), Lighting, HVAC controls, Infotainment system, Power accessories (windows, mirrors, seats), Sensor systems Body: Exterior body panels, Doors, Hood, Trunk, Bumpers, Glass, Interior trim, Seating systems Procedures Included Maintenance: Oil changes, Filter replacements, Spark plug replacement, Fluid checks and top-offs, Brake pad/rotor replacement, Belt inspection/replacement Repair: Engine overhaul, Transmission repair/rebuild, Suspension component replacement, Brake system repair, Electrical component diagnosis and replacement, HVAC system repair Troubleshooting: Diagnostic trouble codes (DTCs), Symptom-based diagnostics, Electrical circuit testing, Mechanical component testing Diagnostics: OBD-II diagnostics, DME advanced diagnostics, Live data interpretation, Component testing procedures Technical Depth Depth: Comprehensive factory-level repair, including detailed diagrams, torque specifications, and diagnostic procedures. 📊 Manual Specifications File Format PDF Quality: High-resolution, searchable text and vector graphics. Printable: Fully printable by section or in its entirety. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ 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: Multi-point fuel injection (Bosch Motronic ME9.0) Recommended Fuel: Premium Unleaded (91 Octane or higher) Engine Management Ignition System: Distributorless ignition system (DIS) with coil-on-plug 🔧 Transmission Standard Transmission Type: 5-speed Manual (Getrag 420G) Optional Transmission Type: 5-speed Automatic (GM A5S360R / A5S390R) Features Automatic Features: Steptronic manual shifting mode Fluid Specs Manual Transmission Fluid: BMW MTF LT-2 or equivalent Automatic Transmission Fluid: BMW ETL-7045E or equivalent 📐 Dimensions Exterior Wheelbase: 107.7 inches (2736 mm) Length: 176.7 inches (4488 mm) Width: 68.7 inches (1745 mm) Height: 55.9 inches (1420 mm) Weights Curb Weight Manual: 3373 lbs (1530 kg) Curb Weight Automatic: 3417 lbs (1550 kg) Gross Vehicle Weight Rating: 4497 lbs (2040 kg) Cargo Trunk Volume: 13.0 cubic feet (368 liters) 🛡️ Safety Features Ratings NHTSA Frontal Crash Driver: 5-Star NHTSA Frontal Crash Passenger: 5-Star IIHS Side Impact: Good Active Features Stability Control: Dynamic Stability Control (DSC) Traction Control: Automatic Stability Control and Traction (ASC+T) ABS: Yes Passive Features Airbags: Frontal airbags, Side-impact airbags, Front and rear head protection system (optional) Seatbelts: 3-point inertia-reel seat belts with pretensioners 💡 Technology Features Infotainment Head Unit: BMW Business CD, BMW Professional CD (optional) Navigation: Optional MKIV navigation system with CD-ROM maps Driver Assistance Parking Assist: Rear Park Distance Control (PDC) optional Connectivity Bluetooth: Optional Bluetooth mobile phone integration Audio Interface: Optional CD changer, auxiliary input (late models) 🔧 Maintenance Service Intervals Oil Change Interval: Typically 7,500 - 10,000 miles or as indicated by the Condition Based Service (CBS) system. Spark Plug Replacement: Approximately 60,000 miles for platinum or iridium plugs. Coolant Replacement: Initial fill and then typically every 2-4 years or as per CBS. Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic (BMW Longlife-01 approved) Engine Oil Capacity: 6.5 US quarts (6.2 liters) Coolant Type: BMW Blue Antifreeze/Coolant (G48) Brake Fluid Type: DOT 4 Known Issues Cooling System: Plastic expansion tank and water pump failures are common. Coolant leaks from hoses and the thermostat housing. Oil Leaks: Valve cover gasket, oil pan gasket, and oil filter housing gasket can leak. Suspension: Worn control arm bushings and ball joints can cause steering looseness and noise. Electrical: ABS/DSC wheel speed sensor failures, VANOS solenoid issues, and ignition coil failures are known. 📚 Vehicle History Brand Heritage Heritage Summary: BMW has a long-standing reputation for producing driver-focused luxury vehicles with a strong emphasis on performance and engineering. Model Evolution E46 Generation: The E46 generation (1998-2006) is considered a benchmark for driving dynamics in its class. The 2004 model represents a mid-cycle facelift update for many variants. Production Production Period: 2000-2006 (E46 3 Series) Manufacturing Locations: Germany (Dingolfing, Munich), Austria (Graz - Magna Steyr) 🏆 Awards & Recognition Recognitions Car And Driver 10 Best: The E46 3 Series was frequently named to Car and Driver's 10Best lists during its production run. Ratings...