🏷️ Basic Information Identification Make: BMW Model: 330i Generation: E90/E91/E92/E93 Chassis Codes: E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe), E93 (Convertible) Model Years Covered: 2006, 2007, 2008, 2009, 2010 👋 Introduction Market Position Market Segment: Compact Executive Sedan/Coupe/Convertible Target Audience: Automotive enthusiasts, DIY mechanics, professional repair shops. Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37. Key Features Vehicle Attributes: Sporty handling, refined interior, powerful inline-6 engine, rear-wheel drive bias (optional xDrive all-wheel drive). Manual Value Proposition: Provides comprehensive, dealership-level repair and maintenance information, reducing reliance on expensive dealership services. 📋 Manual Details Coverage Areas Coverage Summary: Complete factory service and repair information for all systems of the BMW 330i from 2006-2010. Page Count Estimated Page Count: 1500+ pages (typical for comprehensive factory manuals of this era) Manual Type Manual Type: Factory Service Repair Manual (FSM) Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed procedures for engine disassembly, inspection, assembly, and repair of the N52 inline-6 engine. Engine Management: Diagnosis and repair of engine control unit (ECU), sensors, actuators, ignition system, and fuel injection. Transmission Manual: Service and repair for Getrag 6-speed manual transmissions. Transmission Automatic: Service and repair for ZF 6-speed automatic transmissions (e.g., 6HP19). Drivetrain: Repair and maintenance of differentials, driveshafts, and axles. Suspension: Detailed information on front and rear suspension components, alignment procedures, and component replacement. Steering: Diagnosis and repair of the hydraulic power steering system. Brakes: Service procedures for hydraulic brake systems, ABS, DSC, and parking brake. Electrical System: Comprehensive wiring diagrams, component location, diagnosis, and repair for all electrical circuits. Body And Chassis: Body panel removal and installation, interior trim, doors, windows, and convertible top mechanisms (E93). HVAC: Diagnosis and repair of the automatic climate control system, refrigerant handling, and component replacement. Comfort Systems: Service for power seats, mirrors, sunroof, and central locking. Infotainment And Navigation: Basic diagnostic information for iDrive system, radio, and navigation components. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, spark plug replacement, and belt inspection. Diagnostic Procedures: Step-by-step troubleshooting guides for common and uncommon issues, including DTC (Diagnostic Trouble Code) interpretation. Component Replacement: Detailed instructions for removing, installing, and adjusting virtually every component. Rebuilding Procedures: Complete engine and transmission rebuild specifications and procedures. Torque Specifications: Precise torque values for all critical fasteners. Special Tools: Listing and usage instructions for BMW-specific tools required for certain repairs. Technical Depth Depth Level: Factory-level detail, suitable for professional technicians and advanced DIYers. Diagnostic Capability: Enables advanced electronic diagnostics and mechanical troubleshooting. Rework Procedures: Includes procedures for recalibration and adaptation of electronic modules after component replacement. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, suitable for printing individual pages or the entire manual. Binding Type Binding Type: N/A (Downloadable PDF) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: N52B30 Engine Type: Naturally Aspirated Inline 6-Cylinder Displacement: 2996 cc (3.0 Liters) Bore X Stroke: 85.0 mm x 88.0 mm Compression Ratio: 10.7:1 Performance Horsepower: 255 hp @ 6600 rpm Torque: 220 lb-ft @ 2750 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), VANOS (Variable Valve Timing), VALVETRONIC Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Cooling System Cooling Type: Liquid-Cooled, Electric Water Pump (from 2008 onwards on some models) 🔧 Transmission Standard Standard Transmission: 6-speed Manual Transmission Optional Optional Transmission: 6-speed ZF Steptronic Automatic Transmission (with paddle shifters on some models) Features Transmission Features: Rear-wheel drive (RWD) standard, optional xDrive all-wheel drive (AWD). 📐 Dimensions Exterior Wheelbase: 108.7 inches (2760 mm) Length: 181.8 inches (4619 mm) (Sedan) Width: 70.2 inches (1783 mm) Height: 56.7 inches (1440 mm) (Sedan) Weights Curb Weight: Approx. 3450 - 3700 lbs (1565 - 1680 kg) depending on body style and drivetrain Gross Vehicle Weight Rating: Typically around 4500-4600 lbs Cargo Trunk Capacity: 12.0 cu ft (Sedan), 15.0 cu ft (Coupe), 14.5 cu ft (Convertible), 17.7 cu ft (Wagon) 🛡️ Safety Features Ratings NHTSA Front Crash Test: 5-Star (for applicable models) IIHS Front Offset Crash Test: Good (for applicable models) Active Features Traction Control: Dynamic Traction Control (DTC), Dynamic Stability Control (DSC) Braking System: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist Passive Features Airbags: Front airbags, side-impact airbags, front and rear head protection system (curtain airbags). Seatbelts: Three-point inertia-reel seatbelts with pretensioners. 💡 Technology Features Infotainment Infotainment System: BMW iDrive system (various iterations throughout the model years), offering navigation, audio, and vehicle settings control. Driver Assistance Advanced Driver Assistance: Optional features may include adaptive xenon headlights, front and rear parking sensors (Park Distance Control - PDC). Connectivity Connectivity Options: Bluetooth connectivity for hands-free calling (requiring specific adapter or integrated module), USB audio interface (later models). Engine Technology Variable Valve Timing: Double VANOS (Variable Valve Timing) and VALVETRONIC for optimized engine performance and efficiency. 🔧...
The crankcase ventilation system can become clogged, leading to increased oil consumption and potential sealing failures.
Specific Issue Cooling:
Electric water pumps (on later models) can fail, leading to overheating. Thermostat failures are also common.
📚 Vehicle History
Brand Heritage
Brand Focus:
BMW is renowned for its 'Ultimate Driving Machine' philosophy, emphasizing performance, luxury, and engineering.
Model Evolution
E90 Introduction:
The E90 generation 3 Series replaced the E46 and introduced significant advancements in technology, design, and engine performance. The 330i represented a potent, naturally aspirated inline-6 option in the lineup.
Key Updates During Generation:
Introduction of iDrive infotainment, more powerful and efficient engines (N52), optional xDrive AWD, and new body styles (Coupe and Convertible).
Production
Production Period:
2005-2011 (E90/E91/E92/E93 generation overall)
Manufacturing Locations:
Germany (e.g., Munich, Dingolfing), South Africa, China (for local markets).
🏆 Awards & Recognition
Recognitions
Ward S 10 Best Engines:
The N52 engine (used in the 330i) was frequently recognized on Ward's 10 Best Engines list for its refinement, power delivery, and efficiency.
Car And Driver 10Best:
The BMW 3 Series (including variants like the 330i) was a perennial winner of Car and Driver's 10Best list during this generation.