🏷️ Basic Information Identification Make: BMW Model: 328i Model Code: E90 (Sedan), E91 (Wagon), E92 (Coupe), E93 (Convertible) Generation Generation Name: Fifth Generation (E90/E91/E92/E93) Applicable Years: 2006, 2007, 2008, 2009, 2010 👋 Introduction Market Position Segment: Compact Executive Sedan/Wagon/Coupe/Convertible Brand Perception: Known for sporty handling, premium interiors, and advanced engineering. Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37 Key Features Vehicle Highlights: Rear-wheel drive platform, advanced suspension, potent inline-six engine, driver-focused cockpit. Manual Value Proposition: Provides in-depth, factory-level repair information, enabling efficient and accurate maintenance and troubleshooting for owners and independent workshops. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Workshop Intended Audience: Professional Mechanics, DIY Enthusiasts Page Count Estimated Pages: Thousands (typical for comprehensive workshop manuals) Manual Type Type: Service and Repair Workshop Manual Language Language: English Format Format: Digital (PDF/eBook) - Assuming common digital format for modern manuals 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Ignition System, Cooling System, Exhaust System, Transmission (Manual & Automatic) Chassis: Suspension, Steering, Brakes (ABS, DSC), Drivetrain (Rear Wheel Drive) Electrical: Body Control Module (BCM), Powertrain Control Module (PCM), Infotainment, Lighting, HVAC Controls, Instrument Cluster, CAN Bus Architecture Body And Interior: Body Panels, Doors, Seats, Trim, Climate Control, SRS Airbag System Procedures Included Maintenance: Scheduled Maintenance (Oil Changes, Filter Replacements, Spark Plugs, Brake Fluid), Fluid Level Checks Diagnostics: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Fault Finding Procedures, Component Testing Repair And Rebuild: Engine Mechanical Repair (Timing Chain, Head Gasket), Transmission Overhaul, Brake System Overhaul, Suspension Component Replacement, Electrical Component Repair Special Procedures: Wheel Alignment, Air Conditioning System Servicing, Electronic System Calibration, Key Coding (if applicable) Technical Depth Depth: Comprehensive - Covers from basic maintenance to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures. 📊 Manual Specifications File Format File Type: Likely PDF, potentially with hyperlinked sections and searchable text. Print Quality Quality: High Resolution Images, Diagrams, and Schematics Binding Type Type: Not Applicable (Digital Format) Paper Type Type: Not Applicable (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: N52B30 Engine Type: Naturally Aspirated Inline 6-Cylinder Displacement: 2996 cc (3.0 Liters) Performance Horsepower: 230 hp @ 6500 rpm Torque: 200 lb-ft (271 Nm) @ 2750 rpm Fuel System Induction: Multi-point Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Management ECU: Bosch Motronic (Specific variant varies) 🔧 Transmission Standard Type: 6-Speed Manual (e.g., GS6-37BZ) Optional Type: 6-Speed Steptronic Automatic (GA6HP-19Z) Features Automatic Features: Manual shifting mode via selector lever or paddle shifters (optional). Fluid Specs Manual Transmission Fluid: BMW recommends specific MTF LT-2 or LT-3. Check manual for exact part number (e.g., 83 22 0 309 230). Automatic Transmission Fluid: BMW ATF LT-3 (Dexron VI compatible, but OE recommended). Check manual for specific part number and capacity. 📐 Dimensions Exterior Length Sedan: Approx. 181.8 inches (4619 mm) Width: Approx. 70.1 inches (1781 mm) Height Sedan: Approx. 56.7 inches (1441 mm) Wheelbase Wheelbase: Approx. 108.7 inches (2760 mm) Weights Curb Weight: Approx. 3500 - 3800 lbs (1588 - 1724 kg), varies by body style and equipment. 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for applicable models and years) IIHS Top Safety Pick: Likely received 'Good' ratings in relevant crash tests. Active Features Stability Control: Dynamic Stability Control (DSC), Dynamic Traction Control (DTC) Braking System: Anti-lock Braking System (ABS), Electronic Brake Force Distribution (EBD), Brake Assist Passive Features Airbags: Frontal, Side-impact, and Head Protection airbags (curtain airbags). Seatbelts: Pre-tensioned seatbelts with force limiters. 💡 Technology Features Infotainment System Name: iDrive (first generation, CCC or CIC depending on late 2008-2010 models) Features: Navigation system (optional), Radio, CD Player, MP3 playback, Bluetooth connectivity (optional), Auxiliary audio input. Driver Assistance Systems: Cruise Control, Rain-sensing wipers, Automatic headlights, Parking sensors (optional). Connectivity Features: BMW Assist (telematics service, may require subscription), USB/Auxiliary input. 🔧 Maintenance Service Intervals Oil Change Interval: Variable, based on oil condition sensor (CBS) system, typically 10,000-15,000 miles or 12-24 months. Brakes Fluid Interval: Every 2 years, regardless of mileage. Spark Plug Interval: Approximately 100,000 miles (check specific model year and manual for exact recommendation). Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) approved synthetic oil, typically 5W-30 or 0W-30. Consult manual for exact viscosity and BMW part number (e.g., 0751 000 9420). Coolant Type: BMW Antifreeze/Coolant (G48), blue color. Consult manual for BMW part number (e.g., 82 14 1 467 704). Brake Fluid Type: DOT 4, BMW Super DOT 4. Consult manual for BMW part number (e.g., 81 22 9 400 801). Known Issues Common Problems: Oil pan gasket leaks, valve cover gasket leaks, VANOS solenoid issues, water pump failure (electric pumps on later N52 models), eccentric shaft sensor failure, cooling system leaks (plastic components), ignition coil failures. Manual Assistance For Issues: The manual provides detailed diagnostic and repair procedures for these common issues, including part identification and step-by-step...