🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E46 Model Variants Covered: M3, 323i, 325i, 325xi, 328i, 330i, 330xi Year Range: 1999-2005 Codes Engine Codes 323I: M52TU B25 (2.5L) Engine Codes 325I 325Xi: M54 B25 (2.5L) Engine Codes 328I: M52TU B28 (2.8L) Engine Codes 330I 330Xi: M54 B30 (3.0L) Engine Codes M3: S54 B32 (3.2L) 👋 Introduction Market Position Segment: Compact Executive Sports Sedan/Coupe Brand Perception: Premium, performance-oriented, driver-focused Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35 Key Features Driving Dynamics: Renowned for balanced chassis, RWD (or AWD for xi models), precise steering, and engaging driving experience Engine Options: Smooth and powerful inline-six engines, including the high-revving S54 in the M3 Build Quality: Typical BMW premium fit and finish, robust construction 📋 Manual Details Coverage Areas Covered Regions: Global (based on factory specifications) Primary Market Focus: North America and Europe Page Count Estimated Page Count: Extensive, likely exceeding 2000 pages (typical for factory service manuals) Manual Type Type: Factory Service and Repair Manual Language Language: English Format Delivery Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine management (DME), fuel system, cooling system, exhaust system, lubrication system, ignition system Transmission: Manual and SMG (Sequential Manual Gearbox) transmission repair, clutch system, driveshaft, differential Chassis: Front and rear suspension, steering system (hydraulic power steering), brake system (ABS, DSC), wheel bearings Body And Interior: Body panels, doors, windows, locks, interior trim, seats, airbags, safety restraints Electrical System: Battery, charging system, starter motor, lighting system (headlights, taillights, interior), body control module (BCM), instrument cluster, power windows, power seats, mirrors, comfort systems Climate Control: HVAC system, air conditioning, heating, ventilation, automatic climate control (IHKA) Diagnostics: On-Board Diagnostics (OBD-II), fault code diagnosis, troubleshooting procedures Procedures Included Maintenance: Routine checks, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, spark plug replacement Repair: Engine component replacement (pistons, rings, bearings, valves), head gasket repair, transmission overhaul, suspension component replacement (struts, shocks, control arms), brake caliper and rotor replacement, electrical component diagnosis and replacement Troubleshooting: Step-by-step diagnostic procedures for various symptoms, wiring diagram interpretation, component testing Specifications: Torque specifications for all fasteners, fluid capacities, clearances, timing procedures, diagnostic parameters Technical Depth Depth: Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds. Includes detailed wiring diagrams and diagnostic flowcharts. 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable for efficient information retrieval Print Quality Resolution: High resolution for clear viewing of diagrams and text Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine 323I Engine Type: Naturally Aspirated Inline 6-cylinder Displacement: 2.5 Liters (2494 cc) Power Output: 184 hp @ 5900 rpm Torque Output: 175 lb-ft @ 3500 rpm Primary Engine 325I 325Xi Engine Type: Naturally Aspirated Inline 6-cylinder Displacement: 2.5 Liters (2494 cc) Power Output: 192 hp @ 6000 rpm Torque Output: 181 lb-ft @ 3500 rpm Primary Engine 328I Engine Type: Naturally Aspirated Inline 6-cylinder Displacement: 2.8 Liters (2793 cc) Power Output: 193 hp @ 5300 rpm Torque Output: 206 lb-ft @ 3950 rpm Primary Engine 330I 330Xi Engine Type: Naturally Aspirated Inline 6-cylinder Displacement: 3.0 Liters (2979 cc) Power Output: 225 hp @ 5900 rpm Torque Output: 214 lb-ft @ 3500 rpm Primary Engine M3 Engine Type: Naturally Aspirated Inline 6-cylinder (S54) Displacement: 3.2 Liters (3246 cc) Power Output: 333 hp @ 7900 rpm Torque Output: 262 lb-ft @ 4900 rpm Performance Redline M3: 8000 rpm Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) 🔧 Transmission Standard 323I 328I: 5-Speed Manual 325I 325Xi 330I 330Xi: 5-Speed Manual (325i/xi, 330i/xi) M3: 6-Speed Manual Optional 323I 328I: 5-Speed Automatic (Steptronic on later models) 325I 325Xi 330I 330Xi: 5-Speed Automatic (Steptronic) or 6-Speed SMG (Sequential Manual Gearbox) on select models M3: 6-Speed SMG II (Sequential Manual Gearbox) Features Drive Type: Rear-Wheel Drive (RWD) or All-Wheel Drive (AWD) for 'xi' models 📐 Dimensions Exterior Wheelbase: Approx. 107.4 inches (2728 mm) Length: Approx. 183.5 inches (4662 mm) for sedans, 179.7 inches (4565 mm) for coupes Width: Approx. 68.5 inches (1740 mm) Height: Approx. 56.2 inches (1427 mm) for sedans, 54.1 inches (1374 mm) for coupes Weights Curb Weight Base Models: Approx. 3200-3500 lbs (1450-1590 kg) Curb Weight M3: Approx. 3400-3600 lbs (1540-1630 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: Not rated for all model years, but generally good for the era. Active Features Standard Features: Anti-lock Braking System (ABS), Dynamic Stability Control (DSC) / Traction Control (ASC+T) Passive Features Standard Features: Front airbags, front side-impact airbags, optional curtain airbags (later models), three-point seatbelts with pretensioners 💡 Technology Features Infotainment Features: Optional navigation system (MKIV), premium audio systems (e.g., Harman Kardon), cassette player, CD player (single or multi-changer). Driver Assistance Features: Park Distance Control (PDC), cruise control, rain-sensing wipers (optional),...