🏷️ Basic Information Identification Make: BMW Model: 3 Series (E46) Model Variant: 328i Model Year: 2004 Codes Chassis Code: E46 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe Competitors: Mercedes-Benz C-Class, Audi A4, Lexus IS, Infiniti G35 Key Features Reputation: Renowned for sporty handling, refined interiors, and advanced engineering Target Audience: Driving enthusiasts, professionals, individuals seeking premium performance and quality 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Workshop Page Count Estimated Page Count: 1000+ Manual Type Type: Comprehensive Workshop Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: All engine variants, including diagnosis, overhaul, and component testing Drivetrain: Transmission (manual/automatic), clutch, driveshafts, differential, AWD system (if applicable) Suspension: Front and rear suspension, steering system, alignment specifications Brakes: Brake system components, ABS, DSC, fluid replacement, caliper overhaul, rotor specifications Electrical System: Wiring diagrams, ECU diagnosis, lighting, starting and charging systems, comfort electronics Bodywork: Body panel removal and installation, collision repair, interior trim, glass replacement HVAC: Heating, ventilation, and air conditioning system diagnosis and repair Fuel System: Fuel pump, injectors, fuel lines, evaporative emissions control system Chassis And Body: Frame, body panels, doors, windows, convertible top mechanism (if applicable) Wheels And Tires: Wheel specifications, tire pressure monitoring system (if equipped), wheel bearing replacement Procedures Included Maintenance: Routine maintenance tasks, oil changes, filter replacements, fluid checks Troubleshooting: Diagnostic procedures for common faults and error codes Repair: Step-by-step instructions for component removal, installation, and repair Overhaul: Detailed instructions for engine and transmission rebuilding Specifications: Torque specifications, tolerances, clearances, alignment data Diagnostic Trouble Codes: Explanation of DTCs, diagnostic flowcharts, and testing procedures for various modules (DME, EGS, ABS/DSC, etc.) Technical Depth Depth: Expert-level, covering both routine servicing and complex diagnostics/repairs Engine Management: Detailed coverage of DME (Digital Motor Electronics) functions, sensor testing, and actuator diagnosis Electrical Diagrams: Comprehensive, system-specific wiring schematics 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval Printability: Printable pages for on-site use Print Quality Image Clarity: High-resolution diagrams and illustrations Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code: M54B30 Engine Type: Inline-6 Cylinder, Naturally Aspirated Displacement: 2979 cc (3.0 Liters) Bore X Stroke: 84 mm x 89.6 mm Compression Ratio: 10.2:1 Performance Horsepower: 225 hp @ 6000 rpm (approx.) Torque: 214 lb-ft @ 3500 rpm (approx.) Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (EFI) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Emission Control: Dual Three-Way Catalytic Converters, Secondary Air Injection 🔧 Transmission Standard Transmission Type: 5-Speed Manual (Getrag 260/6) Optional Transmission Type: 5-Speed Steptronic Automatic (GM A5S360R) Features Clutch Type: Hydraulically Actuated Single Dry Plate (Manual) Automatic Features: Sport and Manual shifting modes (Steptronic) 📐 Dimensions Exterior Wheelbase: 107.1 inches (2720 mm) Length: 177.9 inches (4518 mm) Width: 68.7 inches (1745 mm) Height: 55.7 inches (1415 mm) Weights Curb Weight: 3362 - 3472 lbs (1525 - 1575 kg) (depending on transmission) Gross Vehicle Weight Rating: 4542 lbs (2060 kg) Cargo Trunk Volume: 11.1 cu ft (314 L) 🛡️ Safety Features Ratings NHTSA Front Crash: 4 Stars (Driver & Passenger) NHTSA Side Impact: 4 Stars (Front & Rear Passenger) IIHS Front Offset: Good Active Features Traction Control: Dynamic Stability Control (DSC) Braking System: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD) Passive Features Airbags: Frontal airbags (driver/passenger), side-impact airbags (front) Seatbelts: 3-point inertia-reel seat belts with pre-tensioners and force limiters 💡 Technology Features Infotainment Head Unit: Business CD, Professional CD, or optional Navigation system (MKIV) Audio Options: Various speaker configurations, optional Harman Kardon sound system Driver Assistance Stability Control: Standard Dynamic Stability Control (DSC) Parking Assistance: Optional Rear Park Distance Control (PDC) Connectivity Bluetooth: Optional Bluetooth hands-free system Auxiliary Input: Available on some models/head units, or via aftermarket adapter 🔧 Maintenance Service Intervals Oil Change: Variable, typically every 7,500-15,000 miles or 12 months, based on 'Condition Based Service' (CBS) Oil Filter Replacement: At every oil change Engine Air Filter: Inspect every 15,000 miles, replace as needed (typically 30,000-45,000 miles) Cabin Air Filter: Replace annually or every 15,000 miles Spark Plugs: Typically every 60,000 miles (check specific type) Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) approved synthetic oil, SAE 0W-30 or 0W-40 Engine Oil Capacity: 6.5 US quarts (6.2 Liters) with filter change Coolant: BMW Coolant/Antifreeze (Blue), 50/50 mixture with distilled water Brake Fluid: DOT 4 BMW High Performance Brake Fluid Transmission Fluid Manual: MTF LT-2 (BMW original) or equivalent high-quality gear oil Transmission Fluid Automatic: ATF LT 71141 (BMW original) or equivalent (e.g., Esso JWS 3309) Known Issues Common Issues Engine: CCV (Crankcase Ventilation) system failure (oil leaks, rough idle), VANOS (Variable Valve Timing) solenoid issues, coolant expansion tank leaks, oil pan gasket leaks Common Issues Suspension: Worn front control arm bushings, sagging rear springs, rear subframe bushings Common Issues Electrical: ABS/DSC module failures, window...