🏷️ Basic Information Identification Make: BMW Model: 325xi Year: 2001 Chassis Code: E46 Codes Engine Code: M54B25 👋 Introduction Market Position Market Segment: Premium compact executive sedan, known for its sporty handling and refined interior. Competitive Analysis Competitors: Mercedes-Benz C-Class, Audi A4, Lexus IS300, Acura TL. Key Features Design Philosophy: BMW's characteristic 'Ultimate Driving Machine' ethos, focusing on driver engagement and performance. All Wheel Drive: The 'xi' designation signifies BMW's xDrive all-wheel-drive system, providing enhanced traction and stability in various driving conditions. 📋 Manual Details Coverage Areas Coverage Scope: All Models, Engines, Trim, and Transmission Types for the 2001 BMW 325xi Page Count Estimated Page Count: Over 2000 pages (typical for comprehensive BMW workshop manuals) Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, crankshaft, pistons, connecting rods, timing system (VANOS, chain, guides), oil pump, cooling system, lubrication. Engine Management: Fuel injection system (EFI), ignition system, emissions control, ECU diagnostics, sensor data, throttle body control, DME (Digital Motor Electronics). Transmission Drivetrain: Manual transmission (Getrag S5D 250G), Automatic transmission (GM A5S 325Z), transfer case (xDrive AWD system), driveshafts, CV joints, differentials (front and rear). Brakes: Brake system components (master cylinder, brake booster, calipers, pads, rotors), ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), parking brake. Suspension Steering: Front suspension (McPherson strut, control arms, sway bar), rear suspension (multi-link setup), power steering system (hydraulic pump, steering rack), wheel alignment specifications. Electrical System: Battery, charging system (alternator), starter motor, lighting system (headlights, taillights, interior), fuses, relays, wiring diagrams, CAN bus communication. Body Chassis: Body panel removal and installation, chassis structure, doors, windows, sunroof, bumpers, interior trim. HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system, climate control unit, refrigerant system, blower motor, A/C compressor. Safety Systems: Airbag system (SRS), seat belt pre-tensioners, occupant classification system. Procedures Included Maintenance Procedures: Scheduled maintenance, oil changes, filter replacements (oil, air, cabin, fuel), spark plug replacement, brake fluid flush, coolant flush, power steering fluid change, transmission fluid service, differential fluid change. Diagnostic Procedures: Troubleshooting common faults, reading diagnostic trouble codes (DTCs), using BMW diagnostic tools (e.g., ISTA/D), component testing, circuit testing. Repair Procedures: Engine overhaul, cylinder head gasket replacement, VANOS repair, timing chain guide replacement, transmission rebuild, brake system repair, suspension component replacement, electrical component repair, fuel pump replacement, alternator replacement. Installation Procedures: Component installation (e.g., new engine, transmission, suspension parts), accessory installation. Technical Depth Technical Depth: Comprehensive: Covers everything from basic maintenance to full engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, suitable for printing with clear text and diagrams. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Name: M54B25 Inline-6 Engine Displacement: 2.5 Liters (2494 cc) Engine Configuration: Naturally Aspirated, DOHC, 24 Valves Performance Horsepower: 184 hp @ 6000 rpm Torque: 175 lb-ft @ 3500 rpm Redline: 6500 rpm Fuel System Fuel Delivery: Multi-point fuel injection (MPI) Recommended Fuel: Premium Unleaded Gasoline (91 Octane or higher) Valvetrain Valve Actuation: Double VANOS (Variable Valve Timing) Cooling System Coolant Type: BMW Blue Antifreeze/Coolant (G48 Ethylene Glycol based) 🔧 Transmission Standard Standard Transmission: 5-Speed Manual Transmission (Getrag S5D 250G) Optional Optional Transmission: 5-Speed Automatic Transmission (GM A5S 325Z) Features Drivetrain: xDrive All-Wheel Drive (AWD) system with variable torque split. 📐 Dimensions Exterior Wheelbase: 107.1 inches (2720 mm) Length: 177.9 inches (4519 mm) Width: 69.1 inches (1755 mm) Height: 56.1 inches (1425 mm) Front Track: 58.7 inches (1491 mm) Rear Track: 59.7 inches (1516 mm) Weights Curb Weight: Approx. 3500-3600 lbs (1588-1633 kg) Gross Vehicle Weight Rating: Approx. 4500 lbs (2041 kg) Cargo Trunk Capacity: 11.7 cubic feet (331 Liters) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (Driver and Passenger) NHTSA Side Impact: 4-Star (Front and Rear Passenger) Active Features Dynamic Stability Control: Standard DSC system for enhanced stability and traction. Antilock Braking System: Standard ABS with Electronic Brake-force Distribution (EBD). Passive Features Airbags: Frontal airbags for driver and passenger, front side-impact airbags, optional head protection system (HPS). Seatbelts: 3-point inertia-reel seat belts with pretensioners and force limiters. 💡 Technology Features Infotainment Audio System: Available CD player, AM/FM radio, optional premium sound systems (e.g., Harman Kardon). Navigation: Optional factory navigation system (Mk IV navigation computer). Driver Assistance Cruise Control: Standard electronic cruise control. Connectivity Keyless Entry: Remote keyless entry and central locking. On Board Computer: BMW On-Board Computer providing fuel economy, range, and service interval information. 🔧 Maintenance Service Intervals Oil Change Interval: BMW Condition Based Service (CBS) system; typically around 10,000-15,000 miles or as indicated by the vehicle's service indicator. Brake Fluid Change: Every 2 years, regardless of mileage. Coolant Change: Initial fill is long-life; replacement typically every 4-5 years or as recommended...