🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 330i Generation Generation Code: E46 Codes Engine Code Primary: M54B30 👋 Introduction Market Position Segment: Premium Compact Executive Sedan Competitive Analysis Key Competitors: Mercedes-Benz C-Class, Audi A4, Lexus IS Key Features Driving Dynamics: Renowned for its balanced chassis, engaging handling, and rear-wheel-drive bias. Powertrain: The 330i features BMW's robust M54 inline-six engine, offering smooth power delivery and refined performance. 📋 Manual Details Coverage Areas Applicable Model Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005 Page Count Total Pages: 1258 Manual Type Type: Workshop Service Manual / Repair Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Engine Mechanical: Full overhaul, assembly, disassembly, component testing, timing, lubrication system. Engine Management: Fuel injection system (DISA, VANOS), ignition system, emissions control, sensor diagnostics, ECU functions. Transmission: Manual (Getrag 420G) and Automatic (GM A5S360R/A5S325Z) transmission repair, clutch, torque converter, electronic controls. Drivetrain: Driveshafts, differential, axle shafts, wheel bearings. Suspension: Front and rear suspension components, struts, shocks, control arms, bushings, springs, alignment specifications. Steering: Power steering system, steering rack, pump, fluid, tie rods, steering column. Brakes: Brake system diagnosis, ABS, DSC, brake pads, rotors, calipers, hydraulic lines, parking brake. Electrical System: Battery, charging system, starter, lighting, power windows, mirrors, locks, wipers, horn, fuse box diagrams. Body And Chassis: Body panels, doors, hood, trunk, bumpers, interior trim, chassis structure, rust prevention. HVAC: Heating, ventilation, air conditioning system, refrigerant handling, compressor, evaporator, heater core. Safety Systems: Airbag system, seat belts, SRS control unit. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement. Troubleshooting: Diagnostic procedures for common and complex issues, symptom-based troubleshooting charts. Repair And Overhaul: Detailed step-by-step instructions for component removal, installation, disassembly, and reassembly. Adjustments: Alignment procedures, brake adjustments, clutch adjustments, idle speed adjustments. Diagnostics: Diagnostic trouble codes (DTCs), electrical circuit testing, pressure testing, vacuum testing. Special Tools: Identification and usage of specific BMW special service tools (SSTs) required for various procedures. Technical Depth Depth: Comprehensive from basic maintenance to complete engine and transmission rebuilds. Includes detailed diagnostic strategies. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Printable: Yes Binding Type Delivery Method: Instant Digital Download Paper Type Physical Medium: Not applicable (Digital) Software Requirement Required Software: Adobe Reader Compatibility Operating Systems: Windows, Mac, Linux OS ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-Cylinder Displacement: 3.0 Liters (2979 cc) Engine Code: M54B30 Performance Horsepower: 225 hp @ 5900 rpm Torque: 214 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Multi-point fuel injection (Bosch Motronic ME7.2) Engine Features Valve Train: DOHC, 4 valves per cylinder, Double VANOS (variable valve timing) Cooling System: Pressurized liquid cooling, engine-driven water pump. Emission Control: Secondary air injection, catalytic converters, EGR (where applicable). 🔧 Transmission Standard Type: 5-Speed Manual (Getrag 420G) Optional Type: 5-Speed Automatic (GM A5S360R or A5S325Z) Features Automatic Control: Steptronic (manual shifting mode) available on automatic transmissions. 📐 Dimensions Exterior Wheelbase: 107.3 inches (2725 mm) Length: 177.4 inches (4505 mm) Width: 68.5 inches (1740 mm) Height: 55.1 inches (1400 mm) Weights Curb Weight Manual: Approx. 3400 lbs (1542 kg) Curb Weight Automatic: Approx. 3470 lbs (1574 kg) 🛡️ Safety Features Ratings NHTSA Front Crash Test: 5-Star (Driver and Passenger) IIHS Side Crash Test: Good Active Features Traction Control: Available ASC+T (Automatic Stability Control + Traction) Stability Control: Available DSC (Dynamic Stability Control) ABS: Standard Anti-lock Braking System Passive Features Airbags: Front airbags, available side airbags. Seat Belts: 3-point inertia-reel seat belts with pretensioners. 💡 Technology Features Infotainment Head Unit: Business CD or Professional CD/Radio/Navigation system options available. Audio System: Harmon Kardon premium sound system was an available option. Driver Assistance Parking Sensors: Rear Park Distance Control (PDC) was an optional feature. Connectivity Phone Integration: Optional Bluetooth hands-free system available on later models. 🔧 Maintenance Service Intervals Oil Change Interval: BMW Condition Based Service (CBS) system recommends intervals, typically around 10,000-15,000 miles or annually. Spark Plug Replacement: Typically every 60,000 miles (using Long Life Iridium spark plugs). Coolant Flush: BMW Blue coolant, typically every 2-4 years or 30,000-50,000 miles. Fluid Specifications Engine Oil Specification: BMW Longlife-01 (LL-01) approved synthetic oil, SAE 5W-30 or 0W-30 recommended. Consult manual for exact viscosity based on climate. Transmission Fluid Manual: Refer to manual for specific gear oil type (e.g., SAE 75W-90 GL-4 or GL-5). Transmission Fluid Automatic: BMW ATF LT-3 (or equivalent approved fluid). Brake Fluid: DOT 4 Power Steering Fluid: Pentosin CHF 11S or Dexron III ATF (check specific vehicle application). Known Issues Crankcase Ventilation: Clogged CCV (crankcase ventilation valve) system leading to oil consumption and vacuum leaks. Cooling System: Plastic coolant expansion tank can become brittle and crack; water pump failure (plastic impeller). Oil Leaks: Valve cover gasket, oil pan gasket, oil filter housing gasket failures. Suspension Wear: Worn control arm bushings, tie...