🏷️ Basic Information Identification Make: BMW Model: 328i Model Variant: 328 Year: 2003 Codes Chassis Code: E46 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe (Sporty Premium) Target Audience: Enthusiast drivers, owners seeking DIY maintenance and repair capabilities Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS Key Features Vehicle Driving Dynamics: Renowned for balanced chassis, RWD bias, engaging handling Engine Performance: Smooth and powerful inline-six engines Key Features Manual Value Proposition: Empowers owners to perform complex maintenance and repairs, saving on labor costs and extending vehicle lifespan. Essential Resource: Indispensable for diagnosing and rectifying common issues specific to the E46 platform. 📋 Manual Details Coverage Areas Coverage Overview: All Models/Engines/Trim/Transmission Types for 2003 BMW 328i (E46) Page Count Estimated Page Count: Extensive (typical for comprehensive workshop manuals, likely 1000+ pages) Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Full engine teardown, rebuild, diagnostics, timing, valve train, cooling system, lubrication system, exhaust system Engine Management: Fuel injection system, ignition system, emissions control, sensors, actuators, DME (Digital Motor Electronics) diagnostics, wiring diagrams Transmission Manual: Service, repair, and diagnostics for manual transmissions Transmission Automatic: Service, repair, and diagnostics for automatic transmissions (e.g., GM 5L40-E) Drivetrain: Clutch, driveshafts, differential, axles, wheel bearings Suspension: Front and rear suspension components, alignment, shock absorbers, struts, control arms, bushings Brakes: Brake system diagnosis, repair, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake pads, rotors, calipers, lines, bleeding procedures Steering: Power steering system, steering rack, tie rods, linkages Electrical System: Complete wiring diagrams, battery, alternator, starter, lighting systems, power windows, locks, mirrors, wipers, horn, fuses, relays Body And Chassis: Body panels, doors, hoods, trunk, interior trim, chassis components, corrosion prevention HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis, repair, refrigerant handling, climate control Infotainment And Comfort: Radio, navigation system (if equipped), speakers, power seats, sunroof Procedures Included Maintenance Procedures: Oil changes, filter replacements, spark plug replacement, fluid checks and top-offs, belt inspection and replacement, brake fluid flush Repair Procedures: Step-by-step repair instructions for all major mechanical and electrical components Troubleshooting Guides: Diagnostic charts, symptom-based troubleshooting, fault code explanations and remedies Diagnostics: OBD-II diagnostics, sensor data interpretation, specific BMW diagnostic procedures Specifications And Tolerances: Torque specifications, clearances, measurements for all components Technical Depth Depth Of Coverage: Comprehensive: Covers everything from routine maintenance and diagnostics to complete engine and transmission rebuilds, and complex electrical system repairs. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF Print Quality Print Readability: High-quality images, diagrams, and text suitable for printing Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: M54B30 Engine Type: Naturally Aspirated Inline 6-Cylinder Displacement: 2.8 Liters (2793 cc) Bore X Stroke: 84.0 mm x 90.0 mm Compression Ratio: 10.2:1 Performance Horsepower: 225 hp @ 5800 rpm (approx.) Torque: 214 lb-ft @ 3500 rpm (approx.) Fuel System Fuel Delivery: Multi-point Fuel Injection (Bosch Motronic ME7.2) Recommended Fuel: Premium Unleaded (91 Octane or higher) Engine Maintenance Oil Type Capacity: BMW Longlife-01 Approved Synthetic 5W-30 / 6.5 Quarts (with filter) Spark Plugs: NGK BKR6EQUP (or equivalent) 🔧 Transmission Standard Standard Transmission: 5-Speed Manual (Getrag S5D 320Z) Optional Optional Transmission: 5-Speed Automatic (GM 5L40-E) Features Automatic Features: Steptronic (manual shift mode) Fluid Specifications Manual Transmission Fluid: BMW MTF LT-2 (or equivalent API GL-4 specification) Automatic Transmission Fluid: Dexron III H (or BMW approved equivalent, e.g., ATF LT 71141) 📐 Dimensions Exterior Wheelbase: 107.1 inches (2720 mm) Length: 177.4 inches (4506 mm) Width: 68.7 inches (1745 mm) Height: 55.7 inches (1415 mm) Weights Curb Weight: Approx. 3300-3450 lbs (depending on configuration) Wheels Tires Wheel Bolt Pattern: 5x120 mm Standard Tire Size: 205/55R16 (e.g., on 16-inch wheels) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for driver and passenger) IIHS Side Impact: Good (for models equipped with side airbags) Active Features Traction Control: ASC+T (Automatic Stability Control + Traction) Stability Control: DSC (Dynamic Stability Control) available on some models Passive Features Airbags: Frontal airbags, optional front side-impact airbags, optional head protection system (HPS) 💡 Technology Features Infotainment Head Unit Options: Various BMW Business CD, Professional CD, and Navigation systems (CCC-SA or older Mk III/IV systems). Audio System: Standard 6-speaker system, optional Harman Kardon premium audio. Driver Assistance Parking Assist: Optional rear parking sensors (Park Distance Control - PDC) Connectivity Phone Integration: Optional Bluetooth hands-free system 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000-15,000 miles or 12-24 months, depending on driving conditions and oil used (BMW Longlife-01 recommended). Brake Fluid Flush: Every 2 years Coolant Flush: Every 2-4 years (BMW Blue Coolant) Inspect Drive Belts: Every 30,000 miles Fluid Specifications Coolant Type: BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) Power Steering Fluid: Pentosin CHF 11S or BMW approved equivalent Known Issues Cooling System: Plastic...