🏷️ Basic Information Identification Make: BMW Model: 330i Year: 2004 Codes Chassis Code: E46 Engine Code: M54B30 👋 Introduction Market Position Market Segment: Entry-level luxury sport sedan, competing with Mercedes-Benz C-Class, Audi A4, and Lexus IS. Competitive Analysis Key Competitors: Mercedes-Benz C-Class (W203), Audi A4 (B6), Lexus IS 300, Acura TL. Key Features Driving Dynamics: Renowned for its balanced chassis, rear-wheel-drive platform, and engaging driving experience. Powertrain: Smooth and powerful inline-six engines, paired with either a manual or automatic transmission. Interior Quality: High-quality materials, ergonomic driver-focused cockpit, and premium fit and finish. 📋 Manual Details Coverage Areas Coverage: Comprehensive service, repair, and diagnostic information for the BMW 330i (E46) 2004 model year. Page Count Page Count: Estimated 1500+ pages (typical for comprehensive BMW service manuals of this era) Manual Type Manual Type: Service and Repair Workshop Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, cylinder head, pistons, connecting rods, crankshaft, lubrication system, cooling system. Engine Management: Fuel injection system, ignition system, engine control unit (ECU) diagnosis, emission control systems, VANOS system. Transmission Manual: SMG (Sequential Manual Gearbox) and manual transmission overhaul, clutch operation, gear shift mechanisms. Transmission Automatic: Automatic transmission (e.g., GM 5L40-E) diagnosis, overhaul, control systems, fluid specifications. Drivetrain: Driveshaft, differential, axles, wheel bearings, limited-slip differential (if equipped). Suspension Suspension Front: MacPherson struts, control arms, anti-roll bar, steering knuckle, coil springs, shock absorbers. Suspension Rear: Multi-link suspension, control arms, trailing arms, subframe, anti-roll bar, coil springs, shock absorbers. Steering: Power steering system, steering rack, tie rods, steering column, steering angle sensor. Brakes Brake System Front: Ventilated disc brakes, brake calipers, brake pads, brake rotors, ABS components. Brake System Rear: Disc brakes, brake calipers, brake pads, brake rotors, parking brake mechanism, ABS components. Brake Control: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA). Electrical Electrical System Overview: Wiring diagrams, electrical component locations, fuse and relay identification. Charging System: Alternator, voltage regulator, battery diagnostics. Starting System: Starter motor, starter solenoid, ignition switch. Lighting System: Headlights, taillights, interior lighting, fog lights, bulb types and replacement. Instrument Panel: Instrument cluster, gauges, warning lights, sensor inputs. Bodywork Body And Frame: Body panel removal and installation, chassis components, door mechanisms, hood, trunk. Interior Trim: Seat removal, dashboard components, door panels, headliner, carpet replacement. Glass And Seals: Windshield, side glass, rear glass replacement, weatherstripping. HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis, refrigerant handling, blower motor, evaporator, condenser, climate control panel. Procedures Included Maintenance: Oil change, filter replacement, spark plug replacement, fluid checks and top-offs, belt inspection and replacement. Troubleshooting: Diagnostic procedures for common faults, symptom-based troubleshooting guides, error code interpretation. Repair: Step-by-step instructions for component replacement, repair, and adjustment across all major vehicle systems. Diagnostics: Information on using diagnostic tools (e.g., BMW ISTA), reading fault codes, live data analysis, component testing. Specifications: Torque specifications for critical fasteners, fluid capacities, component tolerances, wiring diagrams, diagnostic trouble codes (DTCs). Technical Depth Depth: Extensive, covering basic maintenance to full engine and transmission rebuilds, including advanced diagnostics and electrical system repair. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Searchability: Searchable text for quick information retrieval. Print Quality Resolution: High-resolution scans, suitable for printing individual pages or the entire manual. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-Cylinder Engine Code: M54B30 Displacement: 2,979 cc (3.0 Liters) Bore X Stroke: 84.0 mm x 89.6 mm Compression Ratio: 10.2:1 Performance Horsepower: 225 hp @ 6,100 rpm Torque: 214 lb-ft (290 Nm) @ 3,500 rpm Fuel System Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Fuel Delivery: Multi-point Fuel Injection (Bosch Motronic ME7.2) Emission Control: Dual catalytic converters, OBD-II compliant. 🔧 Transmission Standard Transmission Type: 5-speed Manual Transmission (Getrag S5D 320Z) Optional Transmission Type: 5-speed Automatic Transmission (GM 5L40-E) with Steptronic Features Clutch Type: Hydraulic, single dry plate (manual transmission) Gear Ratios Manual: 1st: 4.23, 2nd: 2.50, 3rd: 1.68, 4th: 1.31, 5th: 1.00, Reverse: 3.93 Gear Ratios Automatic: Provided in manual; features electronic control with adaptive shift programs. 📐 Dimensions Exterior Wheelbase: 107.4 inches (2,728 mm) Length: 177.4 inches (4,506 mm) Width: 68.7 inches (1,745 mm) Height: 55.7 inches (1,415 mm) Front Track: 58.4 inches (1,483 mm) Rear Track: 59.1 inches (1,501 mm) Interior Passenger Volume: 93.6 cu ft (2,650 L) Cargo Trunk Volume: 11.1 cu ft (314 L) Weights Curb Weight Manual: 3,400 lbs (1,542 kg) Curb Weight Automatic: 3,472 lbs (1,575 kg) Gross Vehicle Weight Rating: 4,387 lbs (1,990 kg) Towing Capacity: Not Recommended 🛡️ Safety Features Ratings NHTSA Front Impact: 4 Stars (Driver), 4 Stars (Passenger) IIHS Side Impact: Good Active Features Traction Control: Available (Dynamic Stability Control - DSC) ABS: Standard Brake Assist: Standard Passive Features Airbags Front: Standard dual front SRS...