🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 330i, 330xi Production Years Covered: 2006, 2007, 2008, 2009, 2010 Codes Chassis Code: E90 (Sedan), E91 (Wagon/Touring) 👋 Introduction Market Position Segment: Premium compact executive sedan and wagon. Competitive Analysis Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35. Key Features Driving Dynamics: Renowned for BMW's characteristic 'Ultimate Driving Machine' handling, precise steering, and balanced chassis. Powertrain Options: Powerful inline-six engines and available xDrive all-wheel drive system. Target Audience Demographic: Driving enthusiasts, professionals, and families seeking a blend of performance, luxury, and practicality. 📋 Manual Details Coverage Areas General Coverage: Comprehensive workshop service and repair for 2006-2010 BMW 330i and 330xi models. Page Count Total Pages: 2524 Manual Type Type: Workshop Service Manual Language Language: English (Assumed, based on typical professional manual content) Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (N52B30), cooling system, fuel system, exhaust system, transmission (manual & automatic), clutch, driveline (including xDrive AWD system). Chassis: Suspension (front & rear), steering system (hydraulic power steering), braking system (including ABS, DSC, DTC), wheels, tires. Electrical: 12V electrical system, battery, alternator, starter motor, lighting, instrumentation, infotainment systems, comfort electronics, wiring diagrams, diagnostic connectors (OBD-II), DME (Engine Control Module), modules (e.g., ABS/DSC module, Body Control Module). Body: Body structure, exterior panels, doors, windows, sunroof, interior trim, seats, climate control system (HVAC), safety systems (airbags, seatbelts). Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements (oil, air, cabin, fuel), spark plug replacement, fluid level checks and changes. Repair: Engine overhaul, transmission repair/rebuild, suspension component replacement, brake caliper/rotor/pad replacement, steering rack replacement, electrical component diagnosis and replacement, body panel repair/replacement. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs) explanation, testing procedures for components and systems, wiring diagram interpretation. Special Procedures: Component removal and installation, torque specifications for critical fasteners, alignment procedures, clutch bleeding, brake bleeding, HVAC system service, airbag system service. Technical Depth Depth: Extensive, covering everything from routine maintenance to complete engine and transmission rebuilds. Detailed diagnostic strategies and component-level repair information. 📊 Manual Specifications File Format Format Type: PDF Searchability: Typically searchable text within PDF format for efficient information retrieval. Printability: Printable pages for physical reference. Print Quality Quality: High-resolution images, diagrams, and text for clarity. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code: N52B30 Engine Type: Naturally Aspirated Inline 6-Cylinder Displacement: 2996 cc (3.0 Liters) Performance Horsepower: 255 hp @ 6600 rpm Torque: 220 lb-ft @ 2750 rpm Fuel System Injection Type: Multi-point fuel injection (MPI), Valvetronic, VANOS. Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended). 🔧 Transmission Standard Transmission Type: 6-speed manual (Getrag GS6-37BZ) Optional Transmission Type: 6-speed automatic (ZF 6HP19) Features Drivetrain: RWD (330i), AWD (330xi - xDrive system). Automatic Features: Steptronic (manual shifting mode). 📐 Dimensions Exterior Length Sedan: 181.7 inches (4615 mm) Width: 69.9 inches (1777 mm) Height Sedan: 56.7 inches (1441 mm) Wheelbase: 108.7 inches (2760 mm) Cargo Trunk Volume Sedan: 12.0 cu ft (340 L) Weights Curb Weight Manual Rwd: Approximately 3472 lbs (1575 kg) Curb Weight Auto AWD: Approximately 3748 lbs (1700 kg) 🛡️ Safety Features Ratings NHTSA Frontal Driver: 5-Star (2006 models) NHTSA Frontal Passenger: 5-Star (2006 models) IIHS Frontal Offset: Good (2006-2009 models) Active Features Braking: ABS, Electronic Brakeforce Distribution (EBD), Brake Assist (BA). Stability Control: Dynamic Stability Control (DSC), Dynamic Traction Control (DTC). Passive Features Airbags: Front airbags, front side-impact airbags, front and rear head protection system (curtain airbags). Seatbelts: 3-point inertia-reel seat belts with pre-tensioners and force limiters. 💡 Technology Features Infotainment Head Unit: iDrive infotainment system (early generations), optional navigation, CD player, AM/FM radio, auxiliary audio input. Display: Central LCD screen integrated into the dashboard. Driver Assistance Standard Features: ABS, DSC, traction control, cruise control. Connectivity Connectivity Options: Bluetooth (often optional or limited functionality), SiriusXM Satellite Radio (optional). 🔧 Maintenance Service Intervals Oil Change Recommendation: BMW Condition Based Service (CBS) system, typically around 10,000-15,000 miles or annually, depending on driving conditions. Manual recommends checking oil level frequently. Brake Fluid Change: Every 2 years, regardless of mileage. Coolant Change: BMW long-life coolant, typically first change around 100,000 miles, then every 50,000-60,000 miles thereafter. Check manual for specific first interval. Spark Plug Replacement: Around 60,000 miles for original plugs (e.g., Bosch FR7NPP332). Fluid Specifications Engine Oil: BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) certified synthetic oil, typically SAE 5W-30 or 0W-30. Check manual for precise specifications. Coolant: BMW Blue Antifreeze/Coolant (G48) or equivalent, mixed with distilled water at a 50/50 ratio. Transmission Fluid Manual: SAE 75W-90 Synthetic Gear Oil (e.g., BMW recommends specific part numbers for manual gearboxes). Transmission Fluid Automatic: ZF LifeguardFluid8 (for 6HP19, often requires specific procedures and fluid for maintenance). Power Steering Fluid: Pentosin CHF 11S or equivalent hydraulic fluid. Known Issues Common Problems: PCV valve failure (oil consumption, rough idle), oil...