🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E46 Body Style: Coupe Model Variant: 330xi Production Years Covered: 1999-2005 Codes Engine Code Typical: M54B30 Chassis Codes E46 Range: E46 (all variants) 👋 Introduction Market Position Segment: Compact Executive Sports Sedan/Coupe Philosophy: Ultimate Driving Machine, blending performance, luxury, and advanced engineering. Competitive Analysis Key Competitors: Mercedes-Benz C-Class, Audi A4, Lexus IS, Infiniti G35. Key Features Drivetrain: xDrive all-wheel-drive system (standard on 330xi), offering enhanced traction and stability. Engine Performance: Inline-six cylinder engine renowned for its smoothness, power delivery, and distinctive sound. Handling: Renowned BMW chassis dynamics, near 50/50 weight distribution, and precise steering feedback. Coupe Styling: Sleek, timeless coupe design offering sporty aesthetics. 📋 Manual Details Coverage Areas Primary Market: Professional Technicians Secondary Market: Enthusiast DIY Mechanics Regions Covered: Global (technical specifications are generally universal) Page Count Estimated Pages: 1000+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable Digital File (PDF) File Format File Type: PDF Searchability: Searchable text content for quick information retrieval. Print Quality: High-resolution graphics and text, suitable for printing individual pages or sections. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) 📖 Manual Coverage Systems Covered Engine: Complete diagnosis, repair, overhaul, and tuning of the M54B30 engine. Transmission: Diagnosis, repair, and fluid service for both the GM 5L40-E automatic and the Getrag S5D 250G manual transmissions, including xDrive transfer case. Drivetrain: Front and rear differential service, driveshaft maintenance, CV joints, and xDrive all-wheel-drive system specifics. Suspension: Front struts, rear multi-link suspension, control arms, bushings, sway bars, and wheel alignment procedures. Brakes: Front and rear disc brake systems (including vented rotors), ABS, DSC (Dynamic Stability Control), brake fluid flush and bleed procedures. Steering: Power steering system diagnosis, pump, rack and pinion, tie rods, and steering column components. Electrical: Comprehensive wiring diagrams, fuse box layouts, diagnostic trouble codes (DTCs), ECU functions, sensors, alternators, starters, lighting systems, and instrument cluster. HVAC: Climate control system diagnosis, A/C refrigerant handling, blower motor, heater core, climate control unit, and EATC (Electronic Automatic Climate Control) operation. Bodywork: Exterior panel removal/installation (doors, fenders, hood, trunk), interior trim, glass replacement, and basic body repair guidelines. Fuel System: Fuel pump, fuel filter, injectors, fuel pressure regulator, EVAP system diagnosis. Cooling System: Radiator, water pump, thermostat, cooling fan, hoses, and coolant specifications. Exhaust System: Catalytic converter, mufflers, exhaust manifold, and oxygen sensors. Procedures Included Maintenance: Oil changes, filter replacements, spark plug replacement, brake fluid flush, coolant flush, cabin air filter replacement. Troubleshooting: System-specific diagnostic charts, symptom-based troubleshooting, and DTC interpretation. Repair: Step-by-step repair instructions for all major mechanical and electrical components. Overhaul: Detailed engine and transmission rebuild procedures. Installation: Guidelines for component replacement and accessory installation. Calibration: Procedures for recalibrating sensors and modules after replacement (e.g., throttle body, DSC sensors). Diagnostics: Emphasis on using BMW's diagnostic tools (e.g., ISTA/D, DIS) and interpreting live data. Technical Depth Depth: Comprehensive: Covers basic maintenance through to full engine and transmission rebuilds. Diagnostic Capability: Advanced: Includes specific diagnostic trouble codes, sensor data interpretation, and troubleshooting flowcharts. Electrical Diagrams: Full, detailed color wiring diagrams for all circuits. ⚙️ Engine Specifications Primary Engine Engine Code: M54B30 Configuration: 3.0L Inline 6-cylinder Valvetrain: DOHC, 24 valves with Double VANOS (variable camshaft timing). Bore X Stroke: 84.0 mm x 89.6 mm Compression Ratio: 10.2:1 Performance Horsepower: 225 hp @ 5900 rpm Torque: 214 lb-ft @ 3500 rpm Fuel System Induction: Multi-point Fuel Injection (MPI) with Bosch Motronic engine management. Fuel Type Recommended: Premium Unleaded (91+ octane) Fluid Specifications Engine Oil Type: BMW Longlife-01 (e.g., Castrol Syntec 5W-30, Mobil 1 0W-40) Coolant Type: BMW Blue Antifreeze/Coolant Fluid Capacities Engine Oil Capacity With Filter: 6.5 quarts (6.2 liters) Cooling System Capacity: Approx. 8.2 quarts (7.8 liters) 🔧 Transmission Standard Type 330Xi: GM 5L40-E 5-speed Automatic with Steptronic Optional Type Manual: Getrag 5-speed Manual (S5D 250G) Features Drivetrain Layout: xDrive All-Wheel Drive System (DVLS - Dynamic Variable Letter System) Fluid Specifications Automatic Transmission Fluid: Dexron III or equivalent (consult manual for exact BMW spec, e.g., LT-2) Manual Transmission Fluid: BMW MTF LT-2 Fluid Capacities Automatic Transmission Capacity: Approx. 5.3 quarts (5.0 liters) for fluid change Manual Transmission Capacity: Approx. 1.7 quarts (1.6 liters) Transfer Case Fluid Capacity: Approx. 0.5 quarts (0.5 liters) 📐 Dimensions Exterior Length: 177.7 inches (4513 mm) Width: 68.7 inches (1745 mm) Height: 55.1 inches (1400 mm) Wheelbase: 107.4 inches (2729 mm) Weights Curb Weight Automatic: Approx. 3527 lbs (1600 kg) Curb Weight Manual: Approx. 3440 lbs (1560 kg) Gross Vehicle Weight Rating: Approx. 4500 lbs (2041 kg) Cargo Trunk Volume: Approx. 11.7 cu ft (331 liters) Wheels Tires Wheel Bolt Pattern: 5x120 mm Standard Wheel Size: 17 x 8.0 inches Standard Tire Size: 225/45R17 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for applicable models/years, consult specific data) IIHS Side Impact: Good (for applicable...