🏷️ Basic Information Identification Make: BMW Model: 328i Model Generation: E46 Codes Chassis Code: E46 Engine Code Common: M52TU B28 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe Target Audience: Enthusiasts, DIY mechanics, independent repair shops, owners seeking to maintain their vehicle. Competitive Analysis Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35. Key Features Vehicle Appeal: Renowned for its driving dynamics, balanced chassis, powerful inline-six engine, and premium interior. Manual Value Benefit: Enables owners to perform a wide range of maintenance and repair tasks, saving significant costs on labor. 📋 Manual Details Coverage Areas Covered Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005 Covered Models: 328i Sedan, 328i Coupe, 328i Convertible, 328i Touring (Wagon - market dependent) Page Count Estimated Page Count: 1500-2000+ Manual Type Type: Workshop Service and Repair Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine disassembly, assembly, overhaul, timing, seals, gaskets, cooling system, lubrication system, fuel delivery, emissions control. Engine Management: ECU diagnostics, sensor testing, fuel injection systems (DME), ignition system, VANOS operation, exhaust gas recirculation (EGR). Transmission Manual: Clutch, gearbox overhaul, shift mechanism, driveshafts, universal joints, rear differential. Transmission Automatic: Steptronic automatic transmission (GM A5S360R/A5S390R), valve body, torque converter, electronic control, fluid replacement. Brakes: ABS system, DSC (Dynamic Stability Control), brake pad/rotor replacement, caliper service, hydraulic lines, parking brake. Suspension Steering: Front strut assembly, rear multi-link suspension, control arms, ball joints, bushings, power steering system, steering column. Electrical Lighting: Headlights, taillights, interior lighting, fuse box diagrams, relay locations, wiring diagrams for all circuits. HVAC: Automatic climate control (IHKA), refrigerant system, blower motor, evaporator, heater core, cabin filter replacement. Body Interior: Door panels, dashboard removal, seat removal, headliner, body panel alignment, rust repair guidance. Body Exterior: Bumpers, fenders, hood, trunk lid, mirrors, glass replacement, weatherstripping. Safety Systems: Airbag system (SRS), seatbelt pre-tensioners, diagnostic procedures for safety systems. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug replacement, fluid checks, brake inspections, tire rotations. Diagnostics Troubleshooting: Step-by-step troubleshooting guides for common symptoms, OBD-II diagnostic codes and their meanings. Major Repairs: Engine overhaul, transmission rebuild, suspension component replacement, electrical system repairs, bodywork repair. Component Replacement: Detailed instructions for replacing virtually all major and minor components, including torque specifications. Technical Specifications: Torque values, clearances, fluid capacities, electrical resistance values, diagnostic parameters. Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including detailed electrical schematics. 📊 Manual Specifications File Format Quality: High-resolution PDF, searchable text for easy navigation, printable pages. Print Quality Printability: Designed for clear printing of all diagrams, schematics, and text. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, Naturally Aspirated Displacement: 2.8 Liters (2793 cc) Bore X Stroke: 84.0 mm x 84.0 mm Compression Ratio: 10.2:1 Valvetrain: DOHC, 4 Valves per Cylinder, Double VANOS Performance Horsepower: 193 hp @ 5500 rpm Torque: 206 lb-ft (280 Nm) @ 3200 rpm Fuel System Injection Type: Sequential Multi-Point Fuel Injection (Bosch Motronic ME 7.2) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Cooling System Coolant Type: BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) Lubrication System Oil Capacity: 6.5 Liters (6.9 US Quarts) with filter change Recommended Oil Viscosity: SAE 5W-30 or 5W-40 (BMW LL-01 approved) 🔧 Transmission Standard Transmission Type: Getrag 420G 6-Speed Manual Transmission Optional Transmission Type: GM A5S360R/A5S390R 5-Speed Steptronic Automatic Transmission Features Manual Gear Ratios: 1st: 4.23, 2nd: 2.51, 3rd: 1.67, 4th: 1.23, 5th: 1.00, 6th: 0.83, Reverse: 3.55 Automatic Features: Steptronic manual shift mode, electronically controlled shifts, Park/Neutral safety switch. Fluid Specifications Manual Gearbox Oil Type: MTF LT-2 or equivalent (e.g., Castrol Syntrans B 75W-90) Fluid Specifications Automatic Transmission Fluid Type: ATF LT 71141 or equivalent (e.g., Pentosin ATF 7100) 📐 Dimensions Exterior Wheelbase: 107.4 inches (2728 mm) Length Sedan: 180.4 inches (4582 mm) Width: 68.7 inches (1745 mm) Height Sedan: 55.7 inches (1415 mm) Weights Curb Weight Manual: Approximately 3373 lbs (1530 kg) Curb Weight Automatic: Approximately 3439 lbs (1560 kg) Cargo Trunk Capacity: 11 cu ft (310 Liters) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-star (driver and passenger) IIHS Side Impact: Good Active Features Stability Control: Standard DSC (Dynamic Stability Control) Traction Control: Standard ASC+T (Automatic Stability Control and Traction) Brakes: ABS with Electronic Brake-force Distribution (EBD) and Brake Assist. Passive Features Airbags: Front airbags, side airbags (optional curtain airbags on some models/years). Seatbelts: Three-point inertia-reel seatbelts with pre-tensioners and force limiters. 💡 Technology Features Infotainment Head Unit: Business CD, Professional RDS CD, or optional Navigation system (MK III/IV). Audio System: Optional Harman Kardon premium sound system. Driver Assistance Cruise Control: Standard on most models. Connectivity Phone Integration: Optional Bluetooth hands-free system (on later models). 🔧 Maintenance Service Intervals Oil Change Interval: Typically 7,500 - 10,000 miles or 1 year, based on...