🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E46 Body Style: Convertible Engine Variant: 328i Model Years Covered: 1999, 2000, 2001, 2002, 2003, 2004, 2005 Codes Engine Code: M52TU B28 (2.8L) 👋 Introduction Market Position Segment: Compact Executive Convertible Target Audience: Enthusiasts, DIY mechanics, and professional automotive technicians Competitive Analysis Key Competitors: Mercedes-Benz CLK, Audi A4 Cabriolet, Lexus IS Convertible Key Features Vehicle Platform: E46 platform, known for its balanced chassis and engaging driving dynamics Manual Value Proposition: Provides in-depth, actionable information for maintaining and repairing the 328i Convertible, empowering owners to perform tasks themselves and reducing reliance on costly dealership services. 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Language: English Format: Digital (PDF) Document Scope: Comprehensive 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, valve train, crankshaft, pistons, connecting rods, lubrication system, cooling system Engine Management: Fuel injection (DME), ignition system, emission control systems (SES), engine control module (ECM) diagnostics Transmission: Manual and Automatic transmission overhaul, clutch system, driveline, driveshafts, differentials Suspension: Front and rear suspension components, shock absorbers, struts, springs, control arms, bushings Brakes: Hydraulic system, ABS, DSC, brake pads, rotors, calipers, brake lines, parking brake Steering: Power steering system, steering rack, steering column, tie rods Electrical System: Battery, alternator, starter, lighting, fuses, relays, wiring diagrams, body control module (BCM) Body And Interior: Body panels, doors, hood, trunk, convertible top mechanism, seats, dashboard, trim panels HVAC: Heating, ventilation, and air conditioning system (climate control), blower motor, A/C compressor, refrigerant system Infotainment And Comfort: Radio, navigation system, premium sound systems, power windows, central locking, cruise control Procedures Included Preventative Maintenance: Oil changes, filter replacements, fluid checks and flushes, spark plug replacement, belt inspection and replacement Troubleshooting: Diagnostic procedures for common faults, symptom-based troubleshooting guides, fault code interpretation Repair Procedures: Step-by-step instructions for component removal, installation, and adjustment for all major systems Diagnostic Tests: Procedures for testing sensors, actuators, control modules, and electrical circuits Convertible Top Service: Hydraulic system diagnostics, motor replacement, fabric care, sealing adjustments Wheel Alignment And Balancing: Specifications and procedures for wheel alignment and tire balancing Special Tools: Identification and usage of specialized tools required for specific repairs Technical Depth Diagnostic Capability: Advanced diagnostics, including interpretation of diagnostic trouble codes (DTCs) and live data streams Rebuild Procedures: Detailed instructions for engine and transmission rebuilds, including torque specifications and clearances Wiring Diagrams: Comprehensive electrical wiring diagrams for all vehicle systems, color-coded and clearly labeled Component Specifications: Detailed specifications for all major components, including tolerances, clearances, and material properties Torque Values: Precise torque specifications for all fasteners and critical components 📊 Manual Specifications File Format File Type: PDF Searchability: Fully searchable text for quick access to information Print Capability: Printable pages Image Resolution: High-resolution images and diagrams Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) Page Count Estimated Page Count: 1500+ ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, Naturally Aspirated Displacement: 2793 cc (2.8 Liters) Bore X Stroke: 84.0 mm x 83.6 mm Compression Ratio: 10.2:1 Valve Train: Dual Overhead Camshafts (DOHC), 4 valves per cylinder, VANOS (Variable Valve Timing) Performance Horsepower: 193 hp @ 5500 rpm Torque: 206 lb-ft (280 Nm) @ 3250 rpm Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Engine Oil Capacity: 6.5 Liters (6.9 Quarts) with filter change Engine Oil Specification: BMW Longlife-98 (LL-98) or API SJ, ACEA A3/B3, SAE 5W-30 or 5W-40 🔧 Transmission Standard Transmission Type: 5-Speed Manual (Getrag 260Z) Optional Transmission Type: 5-Speed Steptronic Automatic (GM A5S360R) Features Clutch Type: Hydraulically actuated single dry plate Manual Transmission Fluid: BMW MTF LT-2 or equivalent (refer to manual for exact specification) Automatic Transmission Fluid: BMW ATF LT-3 or equivalent (refer to manual for exact specification) 📐 Dimensions Exterior Length: 170.2 inches (4323 mm) Width: 68.9 inches (1751 mm) Height: 53.6 inches (1362 mm) Wheelbase: 107.4 inches (2728 mm) Front Track: 58.2 inches (1478 mm) Rear Track: 58.6 inches (1488 mm) Cargo Trunk Volume: 11.1 cu ft (314 L) with top up; reduced capacity with top down Weights Curb Weight: Approx. 3680 lbs (1669 kg) for manual; 3790 lbs (1719 kg) for automatic Gross Vehicle Weight Rating: Approx. 4564 lbs (2070 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 4/5 Stars (for 3 Series Coupe/Convertible models of this generation) Active Features ABS: Standard Anti-lock Braking System Dsc: Standard Dynamic Stability Control Traction Control: Standard Automatic Stability Control (ASC+T) Passive Features Airbags: Frontal airbags, optional side airbags Rollover Protection: Automatic rollover protection system (pop-up hoops) Seatbelts: Pretensioning seatbelts 💡 Technology Features Infotainment Audio System: Standard Hi-Fi or optional Harman Kardon premium audio systems Navigation: Optional MK II or MK III Navigation systems Driver Assistance Cruise Control: Standard cruise control Connectivity Phone Integration: Optional Bluetooth preparation with...