🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E46 Platform: E46 Codes Covered Models Codes: 323i, 325i, 325xi, 328i, 330i, 330xi, M3 Covered Years Codes: 1999, 2000, 2001, 2002, 2003, 2004, 2005 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Convertible/Wagon Target Audience: Enthusiasts, DIY mechanics, professional technicians Competitive Analysis Key Competitors: Mercedes-Benz C-Class (W203), Audi A4 (B6), Lexus IS300, Infiniti G35 Key Features Vehicle Reputation: Renowned for driving dynamics, build quality, and sporty handling. Manual Value Proposition: Provides comprehensive technical information for owners and technicians to maintain and repair the E46 chassis, saving on dealership service costs. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: Digital Download (implied PDF) Page Count Estimated Page Count: Thousands (typical for full workshop manuals) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanicals (M50/M52/M54/S54), fuel system, ignition system, cooling system, exhaust system, engine management (DME), manual and automatic transmissions, driveline, axles, differentials, transfer cases (for Xi models). Chassis: Suspension (front and rear), steering system, brake system (including ABS and DSC), wheel and tire specifications, chassis components. Electrical: Body control module (BCM), lighting, instrumentation, power windows, central locking, airbags, audio system, navigation (if equipped), diagnostic connectors (OBD-II), wiring diagrams, fuse box locations. Body: Body panels, doors, windows, interior trim, bumpers, glass replacement, body repair procedures. HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair, including refrigerant handling and component replacement. Procedures Included Routine Maintenance: Oil and filter changes, air filter replacement, spark plug replacement, coolant flushes, brake fluid replacement, power steering fluid replacement, transmission fluid changes, differential fluid changes, drive belt inspection/replacement. Repair And Overhaul: Engine rebuild procedures, transmission overhaul, suspension component replacement, brake caliper/rotor replacement, steering rack replacement, diagnostic fault code interpretation and correction, component testing and replacement. Troubleshooting: Step-by-step diagnostic guides for common drivability issues, electrical faults, starting problems, cooling system leaks, and more. Technical Specifications: Torque specifications for all fasteners, fluid capacities and types, diagnostic trouble codes (DTCs), electrical component resistance values, component dimensions and tolerances. Diagnostics Procedures: Includes procedures for using BMW's diagnostic tools (e.g., GT1, DIS) and reading/interpreting diagnostic trouble codes (DTCs). Technical Depth Depth Level: Comprehensive (covering from basic maintenance to complete engine and transmission rebuilds) Diagnostic Focus: Detailed diagnostic flowcharts, sensor data interpretation, DME and ABS/DSC module troubleshooting. Wiring Diagrams: Extensive and detailed electrical wiring diagrams for all vehicle systems. 📊 Manual Specifications File Format File Type: PDF (likely, for digital download) Searchability: Searchable text (common for professionally compiled digital manuals) Print Quality Image Resolution: High resolution for clear illustration viewing Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Completeness Manual Scope: Full workshop manual, providing comprehensive coverage for all aspects of vehicle maintenance and repair. ⚙️ Engine Specifications Primary Engine Engine 323I: 2.5L Inline-6 (M52TU B25), 184 hp @ 5500 rpm, 170 lb-ft @ 3500 rpm Engine 325I Xi: 2.5L Inline-6 (M54 B25), 189 hp @ 6000 rpm, 181 lb-ft @ 3500 rpm Engine 328I: 2.8L Inline-6 (M52TU B28), 190 hp @ 5300 rpm, 206 lb-ft @ 3600 rpm Engine 330I Xi: 3.0L Inline-6 (M54 B30), 225 hp @ 5900 rpm, 214 lb-ft @ 3500 rpm Engine M3: 3.2L Inline-6 (S54 B32), 333 hp @ 7900 rpm, 262 lb-ft @ 4900 rpm Performance Engine Technology: Aluminum block and cylinder head, VANOS (Variable Valve Timing) on M52TU and M54 engines, Double VANOS on M54 and S54 engines. Fuel System Fuel Delivery: Multi-point sequential fuel injection (MPI) Fuel Type: Premium Unleaded Gasoline (91+ octane recommended) 🔧 Transmission Standard Standard Transmission Types: 5-speed manual, 6-speed manual (M3) Optional Optional Transmission Types: 5-speed Steptronic automatic, 6-speed SMG (Sequential Manual Gearbox) on some M3 models. Features Transmission Features: Rear-wheel drive (RWD) standard, xDrive all-wheel drive (AWD) optional on 325xi and 330xi models. 📐 Dimensions Exterior Wheelbase: Approx. 107.4 inches (2728 mm) Length Sedan: Approx. 177.4 - 183.2 inches (4506 - 4653 mm) depending on model Width: Approx. 69.1 - 70.1 inches (1755 - 1780 mm) Height: Approx. 53.7 - 56.5 inches (1364 - 1435 mm) Weights Curb Weight: Approx. 3200 - 3700 lbs (1450 - 1680 kg) depending on body style and drivetrain Gross Vehicle Weight Rating: Varies by model, consult specific model documentation. 🛡️ Safety Features Ratings NHTSA Front Crash Test: 4-star driver, 5-star passenger (for sedan models in earlier testing) IIHS Front Offset Crash Test: Good (for sedan models) Active Features Traction Control: ASC (Automatic Stability Control) standard, DSC (Dynamic Stability Control) available/standard on later models. ABS: Anti-lock Braking System (ABS) standard. Brake Assist: Brake Assist available on some models. Passive Features Airbags: Front driver and passenger airbags, optional side airbags. Seatbelts: 3-point inertia-reel seatbelts with pretensioners and force limiters. Chassis Design: Reinforced safety cell, crumple zones. 💡 Technology Features Infotainment Head Unit: BMW Business CD, BMW Professional CD, optional navigation systems (CCC or MKIV)....