🏷️ Basic Information Identification Make: BMW Model: 325i Model Code: E90 (for 325i sedan, though 2005 might imply E46 generation depending on market introduction) Year: 2005 Codes Chassis Code: E46 (for the 2005 model year, primarily) 👋 Introduction Market Position Positioning: Entry-level luxury sports sedan, known for its engaging driving dynamics and premium interior. Competitive Analysis Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Acura TL. Key Features Driving Dynamics: Renowned for balanced chassis, rear-wheel-drive bias (optional xDrive AWD), and responsive steering. Interior Quality: High-quality materials, driver-focused cockpit, excellent ergonomics. 📋 Manual Details Coverage Areas Market: Global (primarily North America, Europe) Manual Type: Service Repair Workshop Manual Page Count Estimated Pages: 1000+ Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drivetrain Chassis: Suspension, Steering, Brakes Electrical: Power Distribution, Lighting, Instrumentation, Comfort Systems Body: Body Panels, Interior Trim, Glass, Doors, Hood, Trunk Climate Control: HVAC System Safety Systems: Airbags, Seatbelts, ABS, DSC Procedures Included Maintenance: Oil Changes, Filter Replacements, Spark Plugs, Fluid Checks/Flushes Diagnostics: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Component Testing Repair: Component Removal & Installation, Overhauls, Adjustments Wiring Diagrams: Complete Electrical Schematics Technical Depth Depth: Comprehensive (from basic maintenance to complete engine and transmission rebuilds) 📊 Manual Specifications File Format Searchability: Text-searchable (typical for official PDF manuals) Printability: Printable (allows for physical reference) Print Quality Illustrations: High-quality diagrams and photographs Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Name: M54B30 Engine Type: Inline 6-cylinder, Naturally Aspirated Displacement: 2979 cc (3.0 Liters) Bore X Stroke: 84.0 mm x 89.6 mm Compression Ratio: 10.2:1 Valvetrain: DOHC, 24 Valves, Double VANOS Performance Horsepower: 225 hp @ 6100 rpm Torque: 214 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with DISA intake manifold Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Engine Management ECU: Siemens MS43 🔧 Transmission Standard Transmission Type: 6-Speed Manual (Getrag GS6-37BZ) Optional Transmission Type: 6-Speed Steptronic Automatic (GM A5S360R / GM HA5900) Features Drivetrain: Rear-Wheel Drive (RWD), Optional xDrive All-Wheel Drive (AWD) Fluid Specifications Manual Fluid: BMW recommends MTF LT-3 (or equivalent GL-4 75W-80/75W-90 synthetic) Automatic Fluid: ZF Lifeguardfluid 5 (or equivalent ATF) 📐 Dimensions Exterior Length: 4527 mm (178.2 inches) Width: 1739 mm (68.5 inches) Height: 1415 mm (55.7 inches) Wheelbase: 2760 mm (108.7 inches) Weights Curb Weight: 1500-1585 kg (3307-3494 lbs) depending on transmission and options Gross Weight Rating: Approximately 1970 kg (4343 lbs) Cargo Trunk Volume: 430 Liters (15.2 cubic feet) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (2005 Model Year) IIHS Side Impact: Good (for similar E46 models) Active Features Stability Control: Dynamic Stability Control (DSC) Braking System: Anti-lock Braking System (ABS), Electronic Brake Force Distribution (EBD) Passive Features Airbags: Frontal airbags, Side-impact airbags, Curtain airbags (optional) Seatbelts: 3-point inertia-reel seatbelts with pre-tensioners and force limiters Head Restraints: Active head restraints (front) 💡 Technology Features Infotainment Head Unit: BMW Business CD or Professional CD/Cassette (optional, often with navigation prep). Display: Central display for OBC (On-Board Computer), radio, and climate control. Optional navigation screen. Audio System: Standard BMW stereo, optional Harman Kardon sound system. Driver Assistance Cruise Control: Standard electronic cruise control. Parking Sensors: Optional Park Distance Control (PDC) - rear and front. Connectivity Bluetooth: Optional Bluetooth hands-free interface. Usb Aux: Not standard; often added via aftermarket solutions or early iPod integration kits. 🔧 Maintenance Service Intervals Oil Change: Variable Service Interval (VSI) system, typically 10,000-15,000 miles or as indicated by the condition monitoring system. Air Filter: Replace every 30,000 miles or as needed based on inspection. Cabin Filter: Replace every 15,000 miles or annually. Spark Plugs: Replace every 100,000 miles (long-life ignition coils and plugs). Brake Fluid: Flush and replace every 2 years, regardless of mileage. Fluid Specifications Engine Oil: BMW Longlife-01 (LL-01) specification, typically 0W-30 or 5W-30 synthetic. Coolant: BMW Blue Antifreeze/Coolant (G48 ethylene glycol based), 50/50 mix with distilled water. Brake Fluid Type: DOT 4 Low Viscosity (LV) or compatible. Known Issues Oil Leaks: Valve cover gasket, oil filter housing gasket, oil pan gasket, CCV system (Positive Crankcase Ventilation) are common leak points. Cooling System: Plastic expansion tank, water pump, and thermostat housing can degrade and fail. Suspension: Front control arm bushings, tie rod ends, and rear subframe bushings can wear. Electrical: Power seat module failures, window regulator issues, ABS/DSC sensor failures, alternator. Engine Disa: The Dual Intake System (DISA) flap mechanism can fail and break off into the intake manifold. 📚 Vehicle History Brand Heritage Brand Focus: BMW is renowned for its 'Ultimate Driving Machine' ethos, emphasizing performance, engineering, and luxury. Model Evolution Generation: E46 generation (1998-2006 globally, with 2005 being the final full year for many variants before E90 transition). Predecessor: BMW 3 Series (E36) Successor: BMW 3 Series (E90 Sedan, E91 Touring, E92 Coupe, E93 Convertible)...