🏷️ Basic Information Identification Make: BMW Model: 325xi Year: 2002 Codes Chassis Code: E46 Engine Code Typical: M54B25 👋 Introduction Market Position Segment: Compact Executive Sedan/Wagon Competitors 2002: Audi A4 Quattro, Mercedes-Benz C-Class, Lexus IS300, Acura TL Competitive Analysis Key Selling Points: Performance, handling, build quality, rear-wheel-drive bias (even with AWD), premium interior. Key Features Driving Dynamics: Renowned BMW handling, balanced chassis, responsive steering. All Wheel Drive: xDrive all-wheel-drive system providing enhanced traction and stability. 📋 Manual Details Coverage Areas Regions Covered: Global (with specific regional variations noted where applicable) Trim Levels Covered: All Trim Levels Transmission Types Covered: All Transmission Types (including Automatic and Manual) Page Count Estimated Page Count: 1500+ Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine overhaul, including cylinder head, block, pistons, crankshaft, camshafts, timing. Engine Management: EFI (Electronic Fuel Injection), ignition system, sensors, actuators, ECU diagnostics, emissions control. Transmission Drivetrain: Automatic and Manual transmission servicing, repair, removal/installation, and final drive/differential. Suspension: Front and rear suspension components, steering system, shock absorbers, springs, bushings. Brakes: Brake system diagnostics, ABS, DSC (Dynamic Stability Control), disc brakes, pads, rotors, hydraulic system. Electrical System: Wiring diagrams, battery, alternator, starter, lighting, power windows, central locking, fuses, relays. Comfort Systems: HVAC (Heating, Ventilation, and Air Conditioning), climate control, power seats, sunroof operation. Bodywork: Body panel repair, doors, hood, trunk, bumpers, interior trim removal/installation. Procedures Included Scheduled Maintenance: Oil changes, filter replacements, fluid checks and changes, spark plugs, ignition coils. Troubleshooting: Diagnostic procedures, fault code interpretation, common problems and solutions. Repair Procedures: Step-by-step repair instructions with torque specifications, special tool requirements. Diagnostics: OBD-II diagnostics, sensor testing, component testing using diagnostic tools. Technical Depth Depth: Comprehensive from basic maintenance to full engine and transmission rebuilds, including electrical troubleshooting. 📊 Manual Specifications File Format Searchable Text: Yes Printable: Yes Print Quality Image Clarity: High-resolution diagrams and illustrations Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-Cylinder Engine Displacement: 2.5 Liters (2494 cc) Engine Code: M54B25 Performance Horsepower: 184 hp @ 6000 rpm Torque: 175 lb-ft (237 Nm) @ 3500 rpm Fuel System Fuel Delivery: Sequential Multi-port Fuel Injection (S<bos>-MFI) Fuel Type Recommendation: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Components Valvetrain: DOHC (Dual Overhead Camshafts), 4 valves per cylinder Cooling System: Liquid-cooled, pressurized system with thermostat and fan. 🔧 Transmission Standard Transmission Type: 5-speed Manual (Getrag 250) Optional Transmission Type: 5-speed Automatic (Steptronic) Features Drivetrain: xDrive All-Wheel Drive (Permanent) Gear Ratios: Detailed ratios available in manual for both transmission types. Fluid Specifications Automatic Transmission Fluid: BMW LT-2 or equivalent Dexron III/Mercon approved fluid Manual Transmission Fluid: BMW recommends specific gear oil for manual transmissions, typically GL-4 or GL-5, viscosity varies by temperature. 📐 Dimensions Exterior Length: 177.4 inches (4506 mm) Width: 68.7 inches (1745 mm) Height: 55.7 inches (1415 mm) Wheelbase: 107.3 inches (2726 mm) Weights Curb Weight: Approx. 3500-3600 lbs (1588-1633 kg), varies by configuration. Gross Vehicle Weight Rating: Varies by model, consult vehicle data plate. Cargo Trunk Volume: Approx. 13.6 cu ft (385 Liters) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5-Star (for applicable models/years) NHTSA Front Impact Passenger: 5-Star (for applicable models/years) IIHS Frontal Offset: Good (for applicable models/years) Active Features Stability Control: DSC (Dynamic Stability Control), Traction Control (ASC+T) Braking Assistance: ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution) Passive Features Airbags: Frontal airbags, side airbags, available head protection airbags. Seatbelts: 3-point seatbelts with pretensioners and force limiters. 💡 Technology Features Infotainment Head Unit: BMW Professional CD, available with optional navigation system (MK III/IV). Audio System: Standard 6-speaker system, optional Harman Kardon premium audio. Driver Assistance Parking Assistance: Optional rear Park Distance Control (PDC). Connectivity Cruise Control: Standard cruise control. Keyless Entry: Standard remote keyless entry and central locking. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500 - 10,000 miles (12,000 - 16,000 km) or as indicated by the Service Indicator (CBS - Condition Based Service). Air Filter Replacement: Every 30,000 miles (48,000 km) or as needed based on driving conditions. Cabin Air Filter: Every 15,000 - 30,000 miles (24,000 - 48,000 km) or annually. Spark Plug Replacement: Every 60,000 - 100,000 miles (96,000 - 160,000 km) depending on spark plug type (e.g., platinum or iridium). Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) synthetic oil, SAE 5W-30 or 0W-30 Engine Oil Capacity: Approx. 6.5 US quarts (6.2 Liters) Coolant Type: BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) Brake Fluid: DOT 4 Low Viscosity (LV) brake fluid Known Issues Cooling System Failures: Plastic coolant expansion tank, water pump, and thermostat housing are common failure points leading to leaks. Oil Filter Housing Gasket Leaks: Degradation of the oil filter housing gasket can lead to oil leaks. Crankcase...