🏷️ Basic Information Identification Make: BMW Model: 3 Series Convertible Model Code: E93 Model Variant: 328i Year: 2011 Codes Vin Decoder Country Code: WBA (Germany) Engine Code Prefix: N51 👋 Introduction Market Position Segment: Premium Compact Executive Convertible Brand Positioning: Performance, luxury, and advanced technology Competitive Analysis Key Competitors: Audi A4 Cabriolet, Mercedes-Benz C-Class Cabriolet, Lexus IS Convertible, Infiniti G37 Convertible Key Features Body Style: Four-seater retractable hardtop convertible Chassis Platform: E90 3 Series platform Infotainment: BMW iDrive (CCC or CIC depending on specific build date, user interface management) 📋 Manual Details Coverage Areas Primary Language: English Geographic Market: North America (implied by 'with idrive' and common product naming conventions) Page Count Estimated Pages: 400-600 Manual Type Type: Owner's Manual Format Digital Format: PDF 📖 Manual Coverage Systems Covered Infotainment: iDrive system operation, navigation, audio, Bluetooth, phone integration Climate Control: Automatic climate control, air conditioning, heating, ventilation, seat heating Lighting: Headlights (automatic, Xenon), fog lights, interior lighting, ambient lighting Instrument Cluster: Gauges, warning lights, check control messages, driver information system Convertible Top: Operation, care, and troubleshooting of the power-operated retractable hardtop Safety Systems: Airbags, seat belts, dynamic stability control (DSC), anti-lock braking system (ABS), tire pressure monitoring system (TPMS) Powertrain: Basic engine operation, fuel recommendations, transmission operation (automatic) Chassis: Brakes, steering, suspension (basic operation) Procedures Included Operation: Starting and driving, parking, securing the vehicle Maintenance: Fluid level checks, tire pressure adjustment, wiper blade replacement, basic cleaning Troubleshooting: Interpreting warning lights and messages, basic inoperable system guidance Emergency: Jump starting, tire changing (if applicable), towing information Technical Depth Depth: Consumer-focused; covers operation, features, and basic maintenance; not a repair manual 📊 Manual Specifications File Format Quality: High-resolution, searchable PDF Searchability: Full text searchable Print Quality Printability: Printable pages Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-cylinder Engine Code: N51B30 Displacement: 2,996 cc (3.0 Liters) Bore X Stroke: 85.0 mm x 88.0 mm Compression Ratio: 12.0:1 Valvetrain: DOHC, 24 valves with Double VANOS and Valvetronic Performance Horsepower: 230 hp @ 6,600 rpm Torque: 200 lb-ft @ 2,750-4,250 rpm Fuel System Induction: Multi-point Fuel Injection (MPI) with SULEV (Super Ultra Low Emission Vehicle) compliance Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) 🔧 Transmission Standard Type: 6-speed Steptronic Automatic Transmission Optional Type: 6-speed Manual Transmission (less common in US market for this variant) Features Automatic Features: Sport mode, manual shifting via selector lever or paddle shifters (if equipped) Fluid Specifications Automatic Transmission Fluid: BMW Longlife-18 FE (or equivalent meeting ATF specifications, consult manual for exact part number) 📐 Dimensions Exterior Length: 180.1 inches (4575 mm) Width: 69.9 inches (1777 mm) Height: 55.7 inches (1415 mm) Wheelbase: 107.5 inches (2733 mm) Interior Front Headroom: 39.0 inches (991 mm) Front Legroom: 41.7 inches (1059 mm) Rear Headroom: 36.6 inches (930 mm) Rear Legroom: 30.7 inches (780 mm) Cargo Trunk Volume Top Up: 12.1 cubic feet (343 L) Trunk Volume Top Down: 9.4 cubic feet (266 L) Weights Curb Weight: Approx. 3,990 lbs (1810 kg) Gross Vehicle Weight Rating: Approx. 4,762 lbs (2160 kg) 🛡️ Safety Features Ratings NHTSA Overall Rating: Not directly applicable to convertible models in the same way as sedans/coupes due to rollover dynamics. Consult specific test results for individual crash scenarios. Active Features Stability Control: Dynamic Stability Control (DSC), including Cornering Brake Control (CBC), Dynamic Traction Control (DTC) Braking: Anti-lock Braking System (ABS), Brake Assist (BA) Tire Monitoring: Tire Pressure Monitoring System (TPMS) Passive Features Airbags: Front airbags, front side-impact airbags, front knee airbags Rollover Protection: Automatically deploying rollover protection bars Seat Belts: Three-point inertia-reel seat belts with pretensioners and force limiters 💡 Technology Features Infotainment System Name: BMW iDrive Display: Central Control Display (likely 7-inch or 8.8-inch, depending on option) Controller: iDrive Controller knob with surrounding buttons, voice control (if equipped) Navigation: Optional professional navigation system with map data updates Driver Assistance Parking Assistance: Optional Park Distance Control (PDC) with visual and audible alerts, optional rearview camera Cruise Control: Standard cruise control, optional Active Cruise Control (ACC) Connectivity Bluetooth: Bluetooth hands-free connectivity for mobile phones Usb Aux: USB/Audio interface for music playback and device charging (optional) 🔧 Maintenance Service Intervals Oil Change Interval: Variable, based on BMW's Condition Based Service (CBS) system, typically around 10,000-15,000 miles or 12-24 months. Consult the manual for specific indicators. Major Service Intervals: Typically at 30,000, 60,000, and 100,000-mile intervals, involving checks and replacement of spark plugs, filters, fluids, belts, and inspections. Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) approved synthetic oil, SAE 0W-40 or 5W-30 viscosity recommended. Consult manual for precise specification. Coolant: BMW Blue Antifreeze/Coolant (G48 formulation) Brake Fluid: DOT 4 BMW Super DOT 4 or equivalent Known Issues Common Issues Engine: Potential for oil leaks (valve cover gasket, oil pan gasket),...