🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Codes: E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe), E93 (Convertible) Production Years Covered: 2006, 2007, 2008, 2009, 2010 Codes Engine Codes General: N52B30, N52B25, N55B30, N43B20, N46B20, M54B25 (early models potentially), M57D30, N57D30 👋 Introduction Market Position Target Audience: BMW owners, DIY enthusiasts, independent repair shops, professional technicians Competitive Analysis Manual Comparison: Same manual used in local service/repair shops; original factory manual quality, potentially superior to aftermarket guides. Key Features Content Quality: Complete and intact, no missing/corrupt parts. Hundreds of pages of diagrams and detailed information. Ease Of Use: Easy to follow directions, pictures, numbered instructions, bold figure numbers, enlarged insets, numbered table of contents. Value Proposition Cost Savings: Potential to save hundreds or thousands of dollars in repair bills by performing DIY maintenance and repairs. 📋 Manual Details Coverage Areas Coverage Scope: All Models/Engines/Trim/Transmissions Types within the specified model years and chassis codes. Page Count Estimated Page Count: Hundreds (Specific count not provided, but described as comprehensive) Manual Type Type: Workshop Repair Service Manual Language Language: English Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine Service/Repair, Transmission Service/Repair, Fuel Injection/Fuel System, Emission System, Engine Control System Chassis: Brake System, Suspension, Steering, Differential/Drive, Axle Electrical And Body: Wiring Diagram, Electrical System, Heater/Air Conditioner, Chassis/Body, Restraint System, Interior General Maintenance: General Maintenance, Periodic Lubrication, Troubleshooting Procedures Included Repair Procedures: Detailed substeps, numbered instructions, disassembly, assembly, cleaning, reinstalling procedures Diagnostics And Troubleshooting: Troubleshooting, electrical service procedures, diagnostic information Technical Depth Depth: Professional Technician Level, covering diagnostic, repair, and maintenance information 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Full Printable Zoom Capability: Zoom IN/OUT supported Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Quality: Not Applicable (Digital Download) Delivery Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader, WinZip Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Options Common Gasoline Engines: 2.5L Inline-6 (N52B25), 3.0L Inline-6 (N52B30, N55B30), 2.0L Inline-4 (N43B20, N46B20) Common Diesel Engines: 3.0L Turbocharged Inline-6 Diesel (M57D30, N57D30) Performance General Horsepower Range: Approximately 170 hp to 300 hp depending on specific engine variant. Torque Range: Approximately 170 lb-ft to 400 lb-ft depending on specific engine variant. Fuel System Injection Type: Fuel Injection (likely multi-point or direct injection depending on engine) Engine Management ECU System: Digital Motor Electronics (DME) control system 🔧 Transmission Standard Transmission Default Transmission: 6-speed Manual Transmission Optional Transmission Automatic Transmission: 6-speed Steptronic Automatic Transmission Features Drivetrain: Rear-Wheel Drive (RWD) standard, xDrive All-Wheel Drive (AWD) optional on some models. 📐 Dimensions Exterior General Body Styles: Sedan (E90), Wagon/Touring (E91), Coupe (E92), Convertible (E93) Weights Curb Weight Range: Approximately 3,300 lbs to 4,100 lbs depending on body style and configuration. 🛡️ Safety Features Ratings General IIHS Ratings: Likely received good ratings from IIHS for its model years, with many earning 'Top Safety Pick' designations. Active Features Active Safety Systems: Dynamic Stability Control (DSC), Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Traction Control System (TCS), available Adaptive Headlights. Passive Features Passive Safety Systems: Front airbags, side airbags, curtain airbags (for sedan/coupe), seatbelt pretensioners, impact-absorbing bumpers. 💡 Technology Features Infotainment I Drive System: Introduction of the iDrive infotainment system, evolving through various iterations during these model years. Driver Assistance Adas Features: Available features included Park Distance Control (PDC), cruise control, and some models offered adaptive headlights. Connectivity Auxiliary Input: Auxiliary audio input jack common; Bluetooth connectivity available on higher trims or as an option. 🔧 Maintenance Service Intervals General Oil Change Interval: Typically every 10,000-15,000 miles or 12-24 months, as indicated by the vehicle's condition-based service (CBS) system. Manual will detail specific interval for oil type. Brake Fluid Change: Recommended every 2 years, regardless of mileage. Coolant Change: Initial fill is typically long-life; consult manual for specific interval, often around 4-5 years or 60,000-100,000 miles. Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) synthetic oil, viscosity typically 5W-30 or 0W-30, depending on climate and engine. Manual will specify exact grade. Coolant Type: BMW's Blue antifreeze/coolant (G48) mixed with distilled water. Transmission Fluid: Specific ATF (Automatic Transmission Fluid) for Steptronic; manual transmission uses gear oil. Manual will detail exact type and capacity. Known Issues Common Wear Items: Water pump and thermostat (plastic components), ignition coils, VANOS solenoids, oil pan gasket leaks, fuel injectors (especially on direct injection engines), PCV valve. Common Diesel Issues: Diesel Particulate Filter (DPF) regeneration issues, glow plug failure, EGR valve issues. Parts Information Filter Part Numbers Example: Oil Filter: Mann-Filter HU821x, Mahle OX388/1D. Air Filter: Mann-Filter C35187/1. Cabin Filter: Mann-Filter CU29001. (Note: These are examples and exact fitment must be verified for specific models/engines.) 📚 Vehicle History Brand Heritage Brand Philosophy: BMW is known for its 'Ultimate Driving Machine' slogan, emphasizing performance, handling, and driver engagement. Model Evolution...