🏷️ Basic Information Identification Make: BMW Model: 3-Series (E46) Model Variant: 316, 318, 320, 325, 330 Production Years Covered: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Chassis Code: E46 Fuel Type: Benzina (Gasoline) 👋 Introduction Market Position Market Position: The BMW 3-Series (E46) was positioned as a premium compact executive car, known for its driving dynamics, build quality, and sophisticated engineering. This manual serves owners and independent workshops seeking to maintain and repair these vehicles. Competitive Analysis Competitors: Competed with vehicles such as the Mercedes-Benz C-Class (W202/W203), Audi A4 (B5/B6), and Lexus IS. Key Features Key Features: Excellent handling, refined interiors, strong performance from inline-six engines (though the 316/318 models featured 4-cylinder engines in some markets), and renowned German engineering. Manual Utility Manual Utility: Empowers owners and technicians with detailed, step-by-step instructions, diagnostic procedures, and technical data to perform all maintenance and repair tasks, saving time and money. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive Service and Repair for all E46 models listed (316i, 318i, 320i, 325i, 330i) Page Count Page Count: Not Specified, but described as '100% COMPLETE and INTACT' Manual Type Manual Type: Workshop Service Repair Manual Language Language: Italian Format Format: PDF Digital Delivery: Instant Download 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed repair and overhaul procedures for all listed gasoline engines, including M52TU, M54 series (e.g., 316i-M43B19, 318i-N42B20/N46B20, 320i-M52TUB20/M54B22, 325i-M54B25, 330i-M54B30). Engine Management And Electronics: Diagnosis, testing, and repair of electronic fuel injection (EFI), ignition systems, sensors, actuators, and engine control units (ECU). Transmission: Service and repair for both manual (Getrag 250G) and automatic (GM 5L40-E) transmissions, including clutch, gearbox overhaul, and transmission control. Drivetrain: Repair and maintenance of differential, drive shafts, and axles. Suspension: Front and rear suspension system diagnosis, repair, and component replacement (struts, shocks, control arms, bushings, springs). Steering: Power steering system diagnosis, repair, and maintenance, including steering rack and pump. Brakes: Detailed procedures for hydraulic brake system (discs, pads, calipers, master cylinder, ABS) and parking brake. Electrical System: Comprehensive coverage of the vehicle's electrical system, including wiring diagrams, fuses, relays, lighting, battery, alternator, starter motor, and comfort electronics. Body And Chassis: Body panel repair, door mechanisms, exterior trim, interior trim, and structural components. HVAC: Diagnosis and repair of the heating, ventilation, and air conditioning (HVAC) system, including refrigerant service and component replacement. Fuel System: Fuel tank, fuel pump, fuel lines, fuel injectors, and fuel pressure regulation. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug service, fluid level checks and top-offs, belt inspections and replacement. Troubleshooting: Diagnostic procedures for identifying and resolving common and uncommon faults across all vehicle systems. Repair Procedures: Step-by-step instructions for component removal, installation, and overhaul. Component Replacement: Detailed guides for replacing wear items and major components. Diagnostic Testing: Methods for testing sensors, actuators, and electrical circuits. Wheel Alignment: Specifications and procedures for wheel alignment. Airbag System: Service and safety precautions for the airbag system. Technical Depth Technical Depth: Covers all repair procedures from basic maintenance to complex engine and transmission overhauls, including detailed electrical schematics and diagnostic information. 📊 Manual Specifications File Format File Format: PDF Searchability: Likely searchable text-based PDF, allowing for quick information retrieval. Print Quality Print Quality: Printable pages, suitable for clear reproduction of text and diagrams. Binding Type Binding Type: Digital (no physical binding) Paper Type Paper Type: N/A (Digital format) Compatibility System Compatibility: All Versions of Windows, Mac, iOS, BB, Android, etc., requiring a PDF Reader. ⚙️ Engine Specifications Primary Engine 316I Engine Code: M43B19 (1.9L 4-cylinder) or N42B20/N46B20 (2.0L 4-cylinder, Valvetronic) depending on market and year. Displacement: 1895 cc (M43B19) or 1995 cc (N42/N46) Horsepower: Approx. 118 hp (M43B19) to 143 hp (N42/N46) Torque: Approx. 180 Nm (M43B19) to 200 Nm (N42/N46) Primary Engine 318I Engine Code: M43B19 (1.9L 4-cylinder) or N42B20/N46B20 (2.0L 4-cylinder, Valvetronic) depending on market and year. Displacement: 1895 cc (M43B19) or 1995 cc (N42/N46) Horsepower: Approx. 118 hp (M43B19) to 143 hp (N42/N46) Torque: Approx. 180 Nm (M43B19) to 200 Nm (N42/N46) Primary Engine 320I Engine Code: M52TUB20 (2.0L 6-cylinder) or M54B22 (2.2L 6-cylinder) Displacement: 1991 cc (M52TUB20) or 2171 cc (M54B22) Horsepower: Approx. 150 hp (M52TUB20) to 170 hp (M54B22) Torque: Approx. 190 Nm (M52TUB20) to 210 Nm (M54B22) Primary Engine 325I Engine Code: M54B25 (2.5L 6-cylinder) Displacement: 2494 cc Horsepower: Approx. 192 hp Torque: Approx. 245 Nm Primary Engine 330I Engine Code: M54B30 (3.0L 6-cylinder) Displacement: 2979 cc Horsepower: Approx. 231 hp Torque: Approx. 300 Nm Fuel System Fuel System Type: Multi-point fuel injection (Bosch Motronic or Siemens DME). 🔧 Transmission Standard Transmission Standard Transmission Type: 5-speed Manual (Getrag 250G) Optional Transmission Optional Transmission Type: 5-speed Automatic (GM 5L40-E or ZF 5HP19 for earlier models/some variants) Features Transmission Features: Steptronic function (manual shifting mode) available on automatic transmissions. 📐 Dimensions Exterior Body Styles Covered: Sedan (E46/4), Coupe (E46/2), Convertible (E46/C), Touring...