🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E46 Model Variant: 325xi Model Years Covered: 1999, 2000, 2001, 2002, 2003, 2004, 2005 Codes Engine Code Typical: M54B25 👋 Introduction Market Position Segment: Compact Executive Sedan/Wagon Positioning: Premium sport sedan offering a balance of performance, luxury, and everyday usability. Competed against Mercedes-Benz C-Class, Audi A4, Lexus IS. Competitive Analysis Strengths E46: Excellent handling and driving dynamics (BMW hallmark), sophisticated interior, strong straight-six engines, available xDrive AWD system for enhanced traction. Key Features Design Philosophy: Evolutionary design building on the success of the E36, characterized by clean lines, Hofmeister kink, and BMW's signature kidney grille. Drivetrain Options: Rear-wheel drive (RWD) and xDrive all-wheel drive (AWD) configurations available. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive mechanical and electrical repair, maintenance, diagnostics, and troubleshooting for the BMW 3 Series (E46) 325xi. Page Count Estimated Pages: 1500+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, crankshaft, pistons, connecting rods, timing, lubrication system, cooling system, fuel injection system, exhaust system. Engine Management: ECU, sensors (MAF, O2, Crankshaft Position, Camshaft Position), ignition system, emission control systems (VANOS, secondary air injection). Transmission Drivetrain: Manual transmission (Getrag 420G), Automatic transmission (GM A5S360R/A5S390R), transfer case (xDrive AWD system), driveshafts, CV joints, differential. Suspension Steering: Front suspension (MacPherson strut, multi-link), rear suspension (multi-link Z-Axle), power steering system, steering rack, wheel alignment specifications. Brakes: Front and rear brake systems (disc brakes), ABS, DSC (Dynamic Stability Control), brake fluid specifications, bleeding procedures. Electrical System: Battery, alternator, starter motor, lighting (headlights, taillights, interior), fuses, relays, wiring diagrams for all major systems. Body Chassis: Body panels, doors, hood, trunk, bumpers, chassis components, rust prevention, sound deadening. HVAC: Heating, ventilation, air conditioning (HVAC) system, refrigerant, compressor, evaporator, condenser, blower motor, climate control unit. Interior: Seats, dashboard, trim panels, airbags, seatbelts, instrument cluster, infotainment system. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, cabin), spark plug replacement, fluid checks and top-offs, brake pad replacement, tire rotation. Engine Repair: Engine rebuild, cylinder head gasket replacement, timing chain/guide service, VANOS system repair, fuel injector testing and replacement, starter and alternator replacement. Transmission Repair: Transmission fluid and filter changes, clutch replacement (manual), torque converter service (automatic), transfer case service, differential service. Suspension Steering Repair: Shock absorber/strut replacement, control arm replacement, ball joint service, power steering pump/rack replacement, tie rod end replacement. Brake System Repair: Brake pad and rotor replacement, caliper overhaul, brake line replacement, bleeding the brake system, ABS/DSC sensor replacement. Electrical Diagnostics: Wiring harness tracing, component testing (sensors, actuators), troubleshooting electrical faults using wiring diagrams, DME (Digital Motor Electronics) diagnosis. HVAC Service: Refrigerant recharge, leak detection, compressor replacement, cabin air filter replacement, blower motor service. Troubleshooting Guides: Diagnostic trouble codes (DTCs), symptom-based troubleshooting, common problem identification and solutions. Technical Depth Depth: In-depth coverage suitable for professional technicians and experienced DIY enthusiasts. Includes torque specifications, component removal/installation sequences, diagnostic procedures, and electrical schematics. 📊 Manual Specifications File Format File Type: PDF Searchable: Yes, fully text-searchable PDF Printable: Yes, printable pages Print Quality Quality: High-resolution digital reproduction, clear diagrams and text. Binding Type Binding: N/A (Digital Product) Paper Type Paper: N/A (Digital Product) ⚙️ Engine Specifications Primary Engine Engine Name: M54B25 Inline-6 Engine Type: Naturally Aspirated, DOHC, 24 Valves Displacement: 2.5 Liters (2494 cc) Bore X Stroke: 84.0 mm x 90.0 mm Compression Ratio: 10.2:1 Engine Control Unit: Bosch Motronic ME7.2 Power Output Hp: 189 hp @ 6000 rpm (approx.) Torque Output Lb Ft: 245 Nm (181 lb-ft) @ 3500 rpm (approx.) Performance 0 60 Mph: 7.1 - 7.5 seconds (approx., depending on transmission/body style) Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (SFI) Fuel Type: Unleaded Premium Gasoline (91 Octane or higher recommended) Fuel Tank Capacity: 66 Liters (17.4 US Gallons) 🔧 Transmission Standard Transmission Type: 5-Speed Manual (Getrag 420G) Optional Transmission Type: 5-Speed Automatic (GM A5S360R/A5S390R) with Steptronic Features Drivetrain: xDrive All-Wheel Drive system with electronically controlled torque distribution. 📐 Dimensions Exterior Length: 4471 mm (176.0 in) for Sedan Width: 1739 mm (68.5 in) Height: 1412 mm (55.6 in) for Sedan Wheelbase: 2760 mm (108.7 in) Front Track: 1471 mm (57.9 in) Rear Track: 1476 mm (58.1 in) Weights Curb Weight: 1570 kg (3461 lbs) approx. for Sedan (Manual) Gross Vehicle Weight Rating: Not specified in product info, typically around 1950 kg Towing Capacity: Not typically recommended or specified for this model 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: 4 Stars (1999 E46 Sedan) NHTSA Frontal Impact Passenger: 4 Stars (1999 E46 Sedan) IIHS Frontal Offset: Good (for models tested) Active Features Traction Control: ASC+T (Automatic Stability Control + Traction) Stability Control: DSC (Dynamic Stability Control) Antilock Brakes: ABS (Anti-lock Braking System) All Wheel Drive: xDrive System Passive Features Airbags: Driver and front passenger...