🏷️ Basic Information Identification Make: BMW Model: 325xi Year: 2004 Codes Chassis Code: E46 Generation: Fifth Generation (E46) 👋 Introduction Market Position Market Segment: Compact Executive Sedan/Wagon Brand Philosophy: Ultimate Driving Machine, Sporty yet refined luxury Competitive Analysis Primary Competitors: Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS300 Key Features Performance Orientation: Balanced chassis, precise steering, strong inline-six engine Drivetrain Advantage: xDrive AWD system providing enhanced traction and stability Build Quality: Renowned BMW build quality and material selection 📋 Manual Details Coverage Areas Covered Variants: All 325xi models Geographic Coverage: Primarily North American market specifications, with general applicability globally Page Count Estimated Page Count: 2000+ Manual Type Manual Type: Full Service & Repair Manual Language Language: English Format Format: Digital (PDF likely based on description) 📖 Manual Coverage Systems Covered Powertrain: Engine (M54B30), Cooling System, Fuel System, Exhaust System Drivetrain: xDrive All-Wheel Drive System, Transfer Case, Front & Rear Differentials, Driveshafts, Axles Transmission: GM 5L475-E (5-speed Automatic Transmission) Suspension: Front (MacPherson Strut), Rear (Multi-link), Steering System (Hydraulic Power Steering), Wheel Alignment Brakes: Front (Ventilated Discs), Rear (Solid Discs), ABS, DSC (Dynamic Stability Control), Brake Fluid Maintenance Electrical: Battery, Charging System, Ignition System, Lighting, Instrument Cluster, DME (Digital Motor Electronics), EWS (Electronic Immobilizer System), Body Control Module (BCM), HVAC Controls Body: Exterior Panels, Doors, Windows, Sunroof, Interior Trim, Seats, Body Sealing Procedures Included Maintenance: Oil & Filter Changes, Spark Plug Replacement, Air Filter Replacement, Cabin Air Filter Replacement, Coolant Flush, Brake Pad/Rotor Replacement, Belt Replacement Repair: Engine Rebuild (Top & Bottom End), Transmission Overhaul, Suspension Component Replacement, Brake System Bleeding, Electrical Component Diagnosis & Replacement, Drivetrain Component Repair Diagnostics: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs) Interpretation, Wiring Diagrams, Component Testing Procedures Special Procedures: Torque Specifications for critical fasteners, Special Tool Requirements, EWS system alignment, DME programming (may require dealer tools) Technical Depth Depth: Comprehensive: Covers routine maintenance, complex repairs, full component rebuilds, and diagnostic procedures. 📊 Manual Specifications File Format File Type: Likely PDF (Searchable Text, Bookmarked Chapters) Print Quality Print Quality Recommendation: High quality printing recommended for diagrams and schematics Binding Type Binding Type Recommendation: Spiral or lay-flat binding for workshop use Paper Type Paper Type Recommendation: Durable paper stock to withstand workshop environment ⚙️ Engine Specifications Primary Engine Engine Code: M54B30 Engine Type: Naturally Aspirated, Inline-6 Cylinder Displacement: 2979 cc (3.0 Liters) Bore X Stroke: 84.0 mm x 89.6 mm Compression Ratio: 10.2:1 Valve Train: DOHC, 24 Valves, VANOS (Variable Valve Timing) Performance Horsepower: 225 hp @ 6000 rpm Torque: 214 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (SFI) Fuel Type: Premium Unleaded (91 Octane Recommended) Engine Management: Bosch Motronic ME7.2 🔧 Transmission Standard Transmission Type: 5-speed Automatic Transmission Model: GM 5L475-E Optional Optional Transmission: 6-speed Manual (not standard on xi models, but a common enthusiast upgrade/variant). Features Drivetrain Configuration: xDrive All-Wheel Drive AWD System Type: Full-time AWD with viscous coupling, typically biased towards rear-wheel drive. Transmission Fluid: Dexron III or equivalent (check specific BMW service bulletin for exact part number/spec). 📐 Dimensions Exterior Length: 177.4 inches (4506 mm) Width: 68.7 inches (1745 mm) Height: 55.9 inches (1420 mm) Wheelbase: 107.4 inches (2728 mm) Front Track: 58.5 inches (1486 mm) Rear Track: 59.2 inches (1504 mm) Weights Curb Weight: Approximately 3593 lbs (1630 kg) Gross Vehicle Weight Rating: Not specified in general product info, typically found in owner's manual or VIN decoder. 🛡️ Safety Features Ratings NHTSA Front Impact: 5-star NHTSA Side Impact: 4-star IIHS Front Crash: Good IIHS Side Impact: Acceptable Active Features Traction Control: ASC+T (Automatic Stability Control + Traction) Stability Control: DSC (Dynamic Stability Control) ABS: Yes, standard Passive Features Airbags: Frontal airbags, Side-impact airbags, Optional Head Protection System (HPS) Seatbelts: 3-point inertia-reel seatbelts with pretensioners and force limiters Child Seat Anchors: LATCH (Lower Anchors and Tethers for CHildren) 💡 Technology Features Infotainment Infotainment System: BMW Professional Radio with CD player. Optional: Navigation system (CCC unit), Harman Kardon audio system. Display: Central Information Display (CID) in dashboard Driver Assistance Cruise Control: Standard Parking Sensors: Optional Rear Park Distance Control (PDC) Connectivity Auxiliary Input: Optional (typically added via aftermarket adapter for older systems) Bluetooth: Optional (often via BMW Assist or aftermarket integration) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500-10,000 miles or 12 months, as indicated by the Condition Based Service (CBS) system or oil level sensor. Spark Plug Replacement: Approximately every 100,000 miles (check specific spark plug type: Long-life platinum/iridium). Coolant Flush: Every 2-4 years or 30,000-60,000 miles, depending on coolant type and condition. Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) compliant synthetic oil, 5W-30 or 5W-40 depending on climate and specific BMW recommendation. Engine Oil Capacity: 6.5 US quarts (6.2 liters) with filter change. Coolant Type: BMW Blue Antifreeze (G48) or equivalent ethylene glycol-based coolant with corrosion inhibitors. Brake Fluid Type: DOT 4...