🏷️ Basic Information Identification Make: BMW Model: 3 Series Generation Chassis Code: E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe), E93 (Convertible) Production Years Covered: 2006, 2007, 2008, 2009, 2010 Codes Manual Product Code: Not specified in product info, typically internal to seller 👋 Introduction Market Position Positioning: The E90/E91/E92/E93 generation represented BMW's premium compact executive offering, known for its balance of sporty dynamics, luxury, and advanced technology. Competitive Analysis Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37 Key Features Design: Understated yet athletic styling, driver-focused interior, advanced chassis dynamics (e.g., multi-link front suspension). Powertrain Options: Wide range of efficient and powerful inline-4 and inline-6 gasoline engines, as well as efficient diesel options (in relevant markets). Technology: Introduction of iDrive infotainment system, advanced safety features, optional xDrive all-wheel drive. 📋 Manual Details Coverage Areas Vehicle Models: All BMW 3 Series E90, E91, E92, E93 models and sub-models Engine Variants: All engine types offered in the E90/E91/E92/E93 chassis during the specified years Transmission Types: All transmission types (Manual, Automatic, Steptronic) Trim Levels: All trim levels and option packages Page Count Estimated Pages: Thousands (typical for complete workshop manuals) Manual Type Type: Complete Workshop Service Repair Manual Language Language: English Format Delivery Format: Digital Download (PDF) Accessibility: Printable, viewable on PC, MAC, Tablets, Smartphones File Format: Portable Document Format (PDF) Print Quality Quality: High quality, clear text and images, printable Binding Type Type: N/A (Digital Product) Paper Type Type: N/A (Digital Product) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine management (DME), fuel system, exhaust system, cooling system, lubrication system, ignition system Drivetrain: Transmission (manual & automatic), clutch, drivelines, differential, axles, transfer case (if applicable) Chassis: Suspension (front & rear), steering system, brake system (ABS, DSC, handbrake) Electrical: Body electronics (BCM), lighting, instrumentation, power distribution, starter, alternator, battery, infotainment system, comfort electronics Body And Interior: Body panels, doors, windows, seats, airbags, HVAC system, interior trim, convertible roof mechanism (E93) Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, inspections, lubrication Diagnostics: Troubleshooting guides, fault code interpretation, symptom-based diagnostics Repair: Component removal and installation, sub-assembly repair, component overhaul Adjustment: Wheel alignment, headlight aiming, handbrake adjustment Technical Data: Specifications, torque values, electrical schematics, component identification Technical Depth Depth: Comprehensive (A-Z coverage) from basic maintenance to advanced diagnostics and major component overhauls ⚙️ Engine Specifications Primary Engine Engine Code Example: N52B30 (3.0L inline-6) Performance Horsepower Range: Approximately 170 hp (318i) to 300+ hp (335i) Torque Range: Approximately 199 lb-ft (318i) to 300+ lb-ft (335i) Fuel System Type: High-pressure direct injection (e.g., on N54/N55/N53) and port injection (e.g., on N52) Engine Management ECU: Digital Motor Electronics (DME) systems Valvetrain System: Double Overhead Camshafts (DOHC), typically with VANOS (Variable Valve Timing) and Valvetronic (variable valve lift) 🔧 Transmission Standard Transmission Type: 6-speed Manual (e.g., GS6-37BZ) Optional Transmission Type: 6-speed Automatic (e.g., GM 6L45, ZF GA6HP19Z) with Steptronic manual shifting Features Clutch: Hydraulically actuated single-plate dry clutch (manual) Coolant: Separate transmission fluid cooler integrated with engine cooling system (automatic) 📐 Dimensions Exterior Sedan Length Approx: 181.0 inches (E90) Wagon Length Approx: 184.5 inches (E91) Coupe Length Approx: 181.8 inches (E92) Convertible Length Approx: 181.8 inches (E93) Wheelbase Approx: 108.7 inches Weights Curb Weight Range Approx: 3,400 lbs - 3,900 lbs (depending on body style and engine) Cargo Sedan Trunk Volume Approx: 12.0 cubic feet (E90) Wagon Cargo Volume Approx: 17.7 cubic feet (rear seats up) / 50.2 cubic feet (rear seats down) (E91) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for most configurations) IIHS Top Safety Pick: Yes (for most configurations) Active Features Dynamic Stability Control: Standard (DSC, includes DTC - Dynamic Traction Control) Antilock Brakes: Standard (ABS) Brake Assist: Standard Passive Features Airbags: Frontal airbags, side airbags, curtain airbags (head protection for front and rear passengers in sedans/coupes), knee airbags Seatbelts: Pretensioners and force limiters Convertible Rollover: Deployable rollover protection system (E93) 💡 Technology Features Infotainment System Name: iDrive (various iterations depending on year and options) Display: Central LCD display controlled by iDrive controller. Driver Assistance Parking Assist: Optional Park Distance Control (PDC) Cruise Control: Standard cruise control, optional Active Cruise Control Connectivity Bluetooth: Optional Bluetooth hands-free interface Usb: Optional USB/Auxiliary input 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 15,000 miles or 12 months, depending on driving conditions and oil quality (flexible service interval system). Brake Fluid Flush: Every 2 years Spark Plug Replacement: Varies by engine (e.g., 60,000 miles for N52, 45,000 miles for N54/N55) Fluid Specifications Engine Oil Spec: BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) synthetic oil, typically 0W-30 or 5W-30, depending on climate and engine. Coolant Spec: BMW Blue Antifreeze/Coolant (G48 specification) Brake Fluid Spec: DOT 4 Known Issues Valve Cover Gasket Leaks: Common on many BMW engines, especially with age. Water Pump And Thermostat Failure: Electric water pumps and thermostats can fail, often throwing specific codes. Pcv System Issues: Clogged...