🏷️ Basic Information Identification Make: BMW Model: 325xi Year: 2005 Generation Chassis Code: E90 Generation Designation: Fifth Generation Codes Engine Code: N52B25 Model Specific Codes: 325xi (All-Wheel Drive) 👋 Introduction Market Position Segment: Compact Executive Sedan/Wagon Usp: Sporty handling, premium interior, advanced technology (for its time), and xDrive all-wheel-drive capability. Competitive Analysis Key Competitors: Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS300. Key Features Powertrain: Smooth inline-six engine, responsive automatic transmission, and intelligent xDrive AWD system. Driving Dynamics: Renowned BMW handling characteristics, balanced chassis, and communicative steering. Interior Quality: Premium materials, driver-focused cockpit, and ergonomic design. 📋 Manual Details Coverage Areas Coverage Scope: Complete official factory service repair Page Count Estimated Pages: Hundreds (specific count not provided, but described as complete) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: Detailed repair, diagnosis, and overhaul of N52B25 engine components including lubrication, cooling, fuel delivery, ignition, emissions, and engine management. Transmission: Repair and maintenance for the Steptronic automatic transmission, including fluid changes, valve body diagnostics, and torque converter procedures. Drivetrain: Comprehensive coverage of the xDrive all-wheel-drive system, including transfer case, differentials, drive shafts, and associated electronic controls. Suspension Steering: Front and rear suspension components, steering system (including power steering), alignment procedures, and wheel bearing replacement. Brakes: Hydraulic brake system, ABS, DSC (Dynamic Stability Control), brake pad/rotor replacement, caliper servicing, and bleeding procedures. Electrical Electronics: Extensive coverage of the vehicle's electrical system, including wiring diagrams, fuse box layouts, battery, alternator, starter, lighting, and all electronic control units (ECUs). Body Chassis: Body panel removal and installation, interior trim, glass replacement, structural repairs, and corrosion prevention. HVAC: Climate control system, air conditioning refrigerant handling, heater core replacement, blower motor service, and cabin air filter replacement. Safety Restraint System: Airbag system diagnosis and replacement, seat belt mechanisms, and SRS module servicing. Procedures Included Maintenance: Scheduled maintenance tasks, oil changes, filter replacements, spark plug replacement, coolant flushes, and brake fluid changes. Troubleshooting: Diagnostic procedures for common and uncommon issues, fault code interpretation, and step-by-step troubleshooting guides. Repair: Detailed instructions for component removal, installation, overhaul, and adjustment for virtually every system. Diagnostics: System-specific diagnostic trees, use of diagnostic tools (e.g., ISTA/D), and interpreting sensor data. Wiring Diagrams: Full electrical schematic diagrams for all vehicle systems, color-coded and broken down by subsystem. Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including advanced electronic system diagnostics. 📊 Manual Specifications File Format Format: PDF Print Quality Quality: High-resolution, suitable for printing individual pages or the entire manual. Binding Type Binding For Print: Not applicable for PDF download, but printable for professional binding. Paper Type Recommended Paper: Not applicable for PDF download, but printable on standard copy paper. Searchability Text Search: Likely searchable text within the PDF for quick information retrieval. ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-Cylinder Engine Family: N52 Displacement: 2.5 Liters (2497 cc) Bore X Stroke: 82 mm x 78.5 mm Compression Ratio: 10.7:1 Valve Train: Double Overhead Camshafts (DOHC), 24 valves, Double VANOS (Variable Valve Timing), Valvetronic (variable valve lift). Performance Horsepower: 215 hp @ 6500 rpm Torque: 214 lb-ft @ 2750-4250 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with multi-point injection. Fuel Type: Premium Unleaded Gasoline (91+ octane recommended) Emission Control: Catalytic Converter, Oxygen Sensors, Secondary Air Injection System. 🔧 Transmission Standard Type: 6-speed Steptronic Automatic Transmission Optional Type: 6-speed Manual Transmission (Less common in 325xi) Features All Wheel Drive: xDrive Permanent All-Wheel Drive with Electronic Torque Distribution. Transmission Fluid: Specific ATF (Automatic Transmission Fluid) is critical. Consult manual for exact type (e.g., Esso LT 71141 or equivalent). 📐 Dimensions Exterior Length: 176.9 inches (4493 mm) Width: 68.5 inches (1740 mm) Height: 56.7 inches (1440 mm) Wheelbase: 108.7 inches (2760 mm) Weights Curb Weight: Approximately 3571 lbs (1620 kg) Gross Vehicle Weight Rating: Consult specific vehicle sticker or manual. 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for driver and passenger) IIHS Side Impact: Good (for models equipped with side airbags) Active Features Stability Control: Dynamic Stability Control (DSC), including Dynamic Traction Control (DTC). Braking: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist. Passive Features Airbags: Frontal airbags, front side-impact airbags, available head protection airbags (curtain airbags). Seat Belts: 3-point inertia-reel seat belts with pretensioners and force limiters. Child Seat Anchors: LATCH (Lower Anchors and Tethers for CHildren) system. 💡 Technology Features Infotainment Head Unit: BMW Professional Radio or optional iDrive infotainment system with navigation and CD player. Connectivity: Available Bluetooth for hands-free calling, optional aux input. Driver Assistance Parking Assistance: Optional rear parking sensors (PDC - Park Distance Control). Cruise Control: Standard cruise control. Lighting Headlights: Standard Halogen or optional Xenon Adaptive Headlights. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000-15,000 miles or 12-24 months, determined by Condition Based...