🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E90 (Sedan), E91 (Wagon), E92 (Coupe), E93 (Convertible) Model Variant: 330i, 330xi, 335i, 335xi Model Years Covered: 2006, 2007, 2008, 2009, 2010 👋 Introduction Market Position Vehicle Segment: Premium compact executive sports sedan/coupe/convertible/wagon Target Audience: Enthusiast drivers seeking performance, luxury, and driving dynamics Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37 Key Features Driving Dynamics: Renowned for balanced chassis, precise steering, and engaging handling Engine Options: Smooth and powerful naturally aspirated inline-six (N52) and potent twin-turbocharged inline-six (N54) Interior Quality: High-quality materials, ergonomic design, and driver-focused cockpit Technology Integration: Advanced iDrive infotainment system, optional features like adaptive headlights and head-up display 📋 Manual Details Coverage Manual Type: Complete Workshop Service Repair Manual Language: English Format: Digital Download (PDF) Delivery: Instant Email Delivery Usability: Printable, Tablet/Smartphone Compatible Software Requirement: Adobe Reader (Free Download) 📖 Manual Coverage Systems Covered Engine: 3.0L N52 naturally aspirated inline-6 (330i/xi), 3.0L N54 twin-turbocharged inline-6 (335i/xi) Drivetrain: Rear-Wheel Drive (RWD), xDrive All-Wheel Drive (AWD) Transmission: 6-speed manual, 6-speed Steptronic automatic, 6-speed sport automatic Suspension: Front: MacPherson struts, aluminum control arms. Rear: Multi-link independent suspension Brakes: Front: Vented discs with floating calipers. Rear: Vented discs with floating calipers. ABS, DSC, DTC Steering: Hydraulic power steering (Servotronic) Electrical: 12V system, battery, alternator, starter, lighting, ignition, infotainment, comfort electronics Bodywork: Exterior panels, doors, windows, locks, convertible top mechanisms (if applicable), interior trim Climate Control: Manual and automatic climate control systems, A/C components Safety Systems: Airbags, seatbelts, ABS, DSC, DTC, tire pressure monitoring (RDC) Procedures Included Maintenance: Oil and filter changes, air filter replacement, cabin air filter replacement, spark plug replacement, brake fluid flush, coolant flush, inspections Troubleshooting: Diagnostic codes, symptom-based troubleshooting, electrical circuit analysis Engine Repair: Head gasket, piston and ring replacement, valve adjustments, camshaft timing, turbocharger service (N54), fuel injector service, intake manifold service Transmission Repair: Clutch replacement (manual), transmission fluid and filter service (automatic), torque converter service, transmission control module (TCM) diagnostics Suspension Repair: Shock absorber and strut replacement, control arm replacement, ball joint replacement, sway bar link replacement, wheel bearing replacement Brake Repair: Brake pad and rotor replacement, caliper overhaul, brake line replacement, ABS module testing, DSC sensor calibration Electrical Diagnostics: Wiring diagrams, component testing, sensor diagnosis, fuse and relay identification, ECU/DME troubleshooting Body And Interior: Door handle replacement, window regulator repair, mirror replacement, seat removal, dashboard disassembly, body panel alignment Cooling System: Radiator replacement, water pump replacement, thermostat replacement, hose replacement, expansion tank service Fuel System: Fuel pump replacement, fuel filter replacement, fuel injector cleaning and replacement, high-pressure fuel pump service (N54) Technical Depth Diagnostic Capabilities: Advanced diagnostics with wiring diagrams and component location charts Rebuild Procedures: Complete engine and transmission rebuild procedures included Torque Specifications: Detailed torque specifications for all fasteners Special Tools: Identification and usage of BMW-specific special tools 📊 Manual Specifications File Details File Type: PDF Searchability: Text-searchable content Print Quality: High-resolution images and text Page Count: Estimated 2000+ pages (typical for comprehensive manuals) Binding Type: N/A (Digital Download) Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine 330I Xi Engine Code: N52B30 Configuration: 3.0L Naturally Aspirated Inline-6 Horsepower: 255 hp @ 6600 rpm Torque: 220 lb-ft @ 2750 rpm Bore X Stroke: 85.0 mm x 88.0 mm Compression Ratio: 10.7:1 Fuel System: Sequential Multi-Point Fuel Injection (MPI) Primary Engine 335I Xi Engine Code: N54B30 Configuration: 3.0L Twin-Turbocharged Inline-6 Horsepower: 300 hp @ 5800 rpm Torque: 300 lb-ft @ 1400 rpm Bore X Stroke: 84.0 mm x 89.6 mm Compression Ratio: 10.2:1 Fuel System: High-Pressure Direct Injection (HPDI) 🔧 Transmission Transmission Types Manual Transmission: ZF GS6-37BZ (6-speed) Automatic Transmission: ZF 6HP19TU (6-speed Steptronic) or 6HP21TU (6-speed Sport Automatic) All Wheel Drive: xDrive system (BW 4494 transfer case) Features Manual Clutch: Hydraulic clutch actuation Automatic Modes: Adaptive shift logic, Sport mode, Manual shifting via selector lever or paddle shifters (optional) 📐 Dimensions Exterior Sedan E90 Length: 181.8 inches (4619 mm) Width: 70.1 inches (1781 mm) Height: 56.7 inches (1441 mm) Wheelbase: 108.7 inches (2760 mm) Exterior Coupe E92 Length: 180.8 inches (4593 mm) Width: 70.2 inches (1783 mm) Height: 54.7 inches (1390 mm) Wheelbase: 108.7 inches (2760 mm) Weights Curb Weight 330I: Approx. 3500 lbs (1588 kg) Curb Weight 335I: Approx. 3600 lbs (1633 kg) Wheel Bolt Pattern: 5x120 Wheel Size Std: 17 inch Tire Size Std: 225/45R17 🛡️ Safety Features Ratings NHTSA Front Crash: 5-Star (for sedan models) IIHS Top Safety Pick: Yes (for sedan models) Active Features ABS: Anti-lock Braking System Dsc: Dynamic Stability Control DTC: Dynamic Traction Control Runflat Tires: Optional Passive Features Airbags: Front, side-impact, and head airbags Seatbelts: 3-point inertia-reel seat belts with pretensioners and force limiters 💡 Technology Features Infotainment System: BMW iDrive (CCC or CIC depending on year/options) Display: Central LCD screen (6.5" or 8.8") Audio: AM/FM, CD player, optional Satellite...