🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 328i Year: 2005 Generation Chassis Code: E90 Codes Engine Code: N52B30 👋 Introduction Market Position Segment: Compact Executive Sedan Target Audience: Owners seeking detailed DIY repair and maintenance information, independent repair shops. Competitive Analysis Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35 Key Features Vehicle Philosophy: Sporty driving dynamics, luxury appointments, refined engineering. Manual Value Proposition: Provides factory-level diagnostic and repair procedures, saving time and money compared to dealership service. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: Downloadable PDF Page Count Estimated Page Count: Hundreds (exact number not specified, but comprehensive) 📖 Manual Coverage Systems Covered Engine: Engine mechanical (N52B30), cooling system, lubrication system, fuel system, ignition system, exhaust system, engine control (DME) Transmission: Manual Transmission (GS6-37BZ), Automatic Transmission (GA6HP-19Z), clutch, driveshaft, differential Brakes: Hydraulic system, ABS, DSC, brake pads, rotors, calipers, parking brake Suspension: Front and rear suspension components, shock absorbers, springs, control arms, bushings, steering system Electrical: Body electrical systems, lighting, instrument cluster, power accessories, charging system, starter, battery, fuses, relays, wiring diagrams Bodywork: Body panels, doors, hood, trunk, bumpers, interior trim, glass, sunroof Climate Control: HVAC system, air conditioning, heater core, blower motor, control units Safety Systems: Airbag system, seat belt pretensioners, central locking, alarm system Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection/replacement Diagnostics: Troubleshooting guides, fault code interpretation, diagnostic procedures for all major systems Repair: Component removal and installation, system repairs, calibration procedures Specifications: Torque specifications, clearances, diagnostic values, fluid capacities Technical Data: Wiring diagrams, component locations, diagnostic flowcharts, service bulletins (where applicable) Engine Management: Diagnostic trouble codes (DTCs), sensor testing, actuator testing, DME programming/coding (basic aspects). Chassis Control: ABS and DSC system diagnostics, hydraulic unit repair, sensor calibration. Body And Interior: Door panel removal, seat adjustment mechanisms, dashboard disassembly, headliner repair. Technical Depth Depth: Comprehensive, covering basic maintenance to complex repairs and diagnostics. Wiring Diagrams: Detailed color-coded wiring diagrams for all major electrical systems. Diagnostic Tools: Procedures often reference BMW's DIS (Diagnostic Information System) or ISTA (Integrated Service Technical Application) tools for advanced diagnostics. 📊 Manual Specifications File Format Format: PDF (Portable Document Format) Print Quality Printability: Printable (full document or selected pages) Binding Type Binding: Digital download (no physical binding) Paper Type Paper Type: N/A (Digital) Searchability Text Search: Likely text-searchable if generated from official sources. ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline-6 Cylinder Displacement: 2.996 liters (3.0L) Bore X Stroke: 85.0 mm x 88.0 mm Compression Ratio: 10.7:1 Valve Train: Double Overhead Camshafts (DOHC), 24 valves, VANOS (Variable Valve Timing) Performance Horsepower: 230 hp @ 6500 rpm Torque: 200 lb-ft @ 2750 rpm Fuel System Fuel Delivery: Sequential Multi-point Fuel Injection (Bosch Motronic ME9.2) Fuel Type: Premium Unleaded Gasoline (91 Octane recommended) Cooling System Coolant Type: BMW Blue Antifreeze/Coolant (G48) Lubrication System Oil Type Spec: SAE 0W-30 Synthetic Engine Oil (BMW Longlife-01 or Longlife-04) Oil Capacity Oil Capacity With Filter: 6.5 liters (6.9 US quarts) 🔧 Transmission Standard Transmission Type: 6-Speed Manual (GS6-37BZ) Optional Transmission Type: 6-Speed Automatic with Steptronic (GA6HP-19Z) Manual Transmission Fluid Fluid Spec: MTF LT-2 or equivalent Automatic Transmission Fluid Fluid Spec: ATF LT-5 (ZF Lifeguardfluid 6) Rear Differential Fluid Spec: Hypoid Gear Oil SAE 75W-90 API GL-5 📐 Dimensions Exterior Length: 176.8 inches (4493 mm) Width: 68.2 inches (1732 mm) Height: 56.2 inches (1427 mm) Wheelbase: 108.7 inches (2760 mm) Weights Curb Weight Manual: 3461 lbs (1570 kg) Curb Weight Automatic: 3539 lbs (1605 kg) Cargo Trunk Volume: 15.0 cu ft (425 liters) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star NHTSA Side Impact: 5-Star IIHS Front Crashworthiness: Good IIHS Side Impact: Good Active Features Traction Control: Dynamic Stability Control (DSC) Braking Assist: Anti-lock Braking System (ABS), Electronic Brake Force Distribution (EBD), Brake Assist Passive Features Airbags: Front airbags, side-impact airbags, front and rear head protection system (curtain airbags) Seatbelts: 3-point inertia-reel seat belts with front belt tensioners and force limiters 💡 Technology Features Infotainment Head Unit: iDrive infotainment system (optional, base system may be simpler radio) Display Size: Up to 7-inch color display (for iDrive) Driver Assistance Cruise Control: Standard cruise control, optional Active Cruise Control (ACC) on some models. Parking Sensors: Optional Park Distance Control (PDC) front and rear. Connectivity Bluetooth: Optional Bluetooth phone integration. Climate Control Automatic Climate Control: Standard dual-zone automatic climate control. 🔧 Maintenance Service Intervals Oil Change Interval: Variable, based on Condition Based Service (CBS) system, typically 10,000-15,000 miles or annually. Brake Fluid Change: Every 2 years, regardless of mileage. Engine Air Filter: Inspect at 30,000 miles, replace as needed (CBS). Cabin Microfilter: Inspect at 30,000 miles, replace as needed (CBS). Spark Plugs: Replace at 60,000 miles for standard plugs; longer for iridium plugs (refer to manual for exact type)....