🏷️ Basic Information Identification Make: BMW Model: 328i Year: 2004 Codes Chassis Code: E46 Engine Code Primary: M54B30 👋 Introduction Market Position Vehicle Segment: Compact Executive Sedan/Coupe Competitive Analysis Key Competitors: Mercedes-Benz C-Class, Audi A4, Lexus IS, Infiniti G35 Key Features Driving Dynamics: Renowned for its balanced chassis, RWD platform, and engaging driving experience. Design Language: Elegantly styled with BMW's signature Hofmeister kink and athletic proportions. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service, repair, and maintenance Page Count Estimated Page Count: 1500+ Manual Type Manual Type: Full Service Repair Manual Language Language: English Format Format: Digital (PDF likely, though not explicitly stated, common for this type) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, rebuild, component diagnosis, timing, valve train Engine Electrical: Ignition system, fuel injection, sensors, ECU troubleshooting, wiring diagrams Transmission: Automatic and Manual transmission service, repair, diagnostics, fluid service Drivetrain: Driveshafts, differentials, CV joints, wheel bearings Suspension: Front and rear suspension components, steering system, wheel alignment Brakes: Brake system diagnosis, repair, ABS, component replacement, bleeding procedures Electrical System: Lighting, power accessories, HVAC controls, instrument cluster, body control modules Body And Chassis: Body panels, doors, glass, interior trim, underbody components HVAC: Air conditioning, heating, climate control system diagnosis and repair Diagnostic Troubleshooting: Error codes, fault finding, testing procedures, repair strategies Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, spark plug replacement Major Repairs: Engine rebuilds, transmission overhauls, component replacement Diagnostic Procedures: Step-by-step troubleshooting for common and complex issues Electrical Component Testing: Testing sensors, actuators, control modules, and wiring integrity Specifications And Data: Torque values, clearances, fluid capacities, diagnostic parameters Wiring Diagrams: Comprehensive electrical schematics for all vehicle systems Technical Depth Depth Of Information: Factory-level detail, suitable for professional technicians and advanced DIYers Diagnostic Tools: Mentions required diagnostic tools and software (e.g., ISTA, DIS) 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable for efficient information retrieval Print Quality Diagram Clarity: High-resolution diagrams and illustrations for clarity 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 Displacement: 3.0 Liters (2979 cc) Bore X Stroke: 84.0 mm x 89.6 mm Compression Ratio: 10.2:1 Valvetrain: Double Overhead Camshafts (DOHC), 24 Valves, VANOS (Variable Valve Timing) Performance Horsepower: 225 hp @ 6100 rpm Torque: 214 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (Bosch Motronic ME9.2) Recommended Fuel: Premium Unleaded (91 AKI or higher) Engine Management ECU: BMW M54 Engine Control Unit 🔧 Transmission Standard Transmission Type Std: 5-Speed Manual (Getrag GS5-39DZ) Optional Transmission Type Opt: 5-Speed Automatic (Steptronic) Features Automatic Features: Steptronic manual shifting mode 📐 Dimensions Exterior Length: 4509 mm (177.5 in) Width: 1739 mm (68.5 in) Height: 1415 mm (55.7 in) Wheelbase: 2760 mm (108.7 in) Weights Curb Weight: Approx. 1500 kg (3307 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star NHTSA Side Impact: 4-Star Active Features ABS: Standard Anti-lock Braking System Traction Control: Standard Dynamic Stability Control (DSC) Passive Features Airbags: Frontal airbags, Side airbags, optional Head Protection System (HPS) 💡 Technology Features Infotainment Infotainment System: BMW Professional Radio/Navigation System (optional) Speaker System: Standard 6-speaker system, optional Harman Kardon Hi-Fi system. Driver Assistance Cruise Control: Standard cruise control Parking Assistance: Optional rear park distance control (PDC) Connectivity Bluetooth: Optional Bluetooth integration for hands-free calling. 🔧 Maintenance Service Intervals Oil Change Interval: BMW Condition Based Service (CBS) or typically every 10,000 - 15,000 miles / 12-18 months Spark Plug Replacement: Approx. 100,000 miles (check specific maintenance plan) Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic (BMW Longlife-01 specification recommended) Coolant Type: BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) Brake Fluid Type: DOT 4 (BMW recommends DOT 4 PLUS) Transmission Fluid Auto: BMW ATF LT 71141 or equivalent (specific type depending on transmission code) Transmission Fluid Manual: SAE 75W-90 Synthetic Gear Oil (BMW recommends SAF-XJ or equivalent) Known Issues Common Issues Engine: CCV (Crankcase Ventilation) system failure, oil leaks (valve cover gasket, oil pan gasket), VANOS solenoid issues, ignition coil failure. Common Issues Cooling: Plastic coolant expansion tank cracks, water pump failure, thermostat housing leaks. Common Issues Suspension: Front control arm bushings (RTABs), sway bar links, rear subframe bushings, strut mounts. Common Issues Electrical: Window regulator failure, OBC (On-Board Computer) issues, ABS sensor failures, fuel pump failure. 📚 Vehicle History Brand Heritage Bmw Philosophy: BMW's long-standing reputation for building driver-focused, premium vehicles. Model Evolution E46 Generation: Fourth generation of the BMW 3 Series (1998-2006), a highly successful and critically acclaimed model. Production Production Era: 2000-2006 (for E46 generation), 328i specific model years within this range. 🏆 Awards & Recognition Recognitions Car And Driver 10Best: The E46 3 Series often featured on Car and Driver's 10Best lists for its class-leading dynamics. Ratings Owner Satisfaction: Generally high owner satisfaction for its driving dynamics and build quality,...