🏷️ Basic Information Identification Make: BMW Model: 3 Series Sub Model: 330i, 330xi Model Years Covered: 2006, 2007, 2008, 2009, 2010 Codes Chassis Code: E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe - if applicable to 330i/xi variants within this generation) Engine Code: N52B30 👋 Introduction Market Position Segment: Premium Compact Executive Sedan/Wagon Target Audience: Enthusiasts, DIY mechanics, professional technicians seeking detailed repair information Competitive Analysis Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37 Key Features Vehicle Focus: Balanced handling, refined powertrain, premium interior, sporty driving dynamics Manual Benefit: Empowers owners and technicians with the knowledge to maintain and repair effectively, saving costs and ensuring longevity 📋 Manual Details Coverage Areas Engine: 3.0L Inline-6 (N52B30) Transmission: 6-speed Manual, 6-speed Automatic (Steptronic) Drivetrain: Rear-Wheel Drive (330i), All-Wheel Drive (330xi) Chassis: Suspension, Steering, Brakes, Body Structure Electrical: Wiring Diagrams, ECU, Sensors, Lighting, Audio, Convenience Features Body: Interior, Exterior Panels, HVAC, Safety Systems Page Count Total Pages: 1260 Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Management: Detailed diagnostics, component testing, timing, fuel injection, ignition, VANOS, Valvetronic Powertrain Control: Engine Control Unit (ECU) identification, programming, and troubleshooting Drivetrain Components: Clutch, flywheel, driveshafts, differential, AWD system components (xDrive) Suspension Geometry: Front and rear suspension alignment specifications, component replacement (struts, control arms, bushings) Brake System: Brake fluid specifications, ABS, DSC, EBD operation, pad/rotor replacement, caliper service Steering System: Power steering system, steering rack, tie rod ends, column diagnostics Climate Control: HVAC system operation, refrigerant handling, blower motor, A/C compressor, heater core Safety Systems: Airbag system (SRS), seatbelt pre-tensioners, occupant classification system Lighting And Signals: Headlights, taillights, interior lighting, turn signals, hazard lights Instrumentation And Gauges: Dashboard display, warning lights, sensor input Comfort And Convenience: Power windows, mirrors, seats, central locking, sunroof Procedures Included Maintenance Tasks: Oil changes, filter replacements, spark plug replacement, belt inspection/replacement Diagnostic Procedures: Troubleshooting guides for common and uncommon issues, fault code interpretation Repair Operations: Step-by-step instructions for component removal, installation, and adjustment Rebuilding Procedures: Engine component rebuilding (pistons, rings, bearings), transmission overhaul Wiring Diagram Interpretation: Schematics for various electrical systems, component identification on diagrams Torque Specifications: Precise torque values for critical fasteners across all systems Technical Depth Depth: Comprehensive from basic maintenance to complete engine and transmission rebuilds, in-depth diagnostics 📊 Manual Specifications File Format Quality: High-resolution PDF, searchable text for efficient navigation Printability: Printable pages for workshop use Binding Type Type: Digital (PDF) - no physical binding Paper Type Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Description: 3.0L Naturally Aspirated Inline-6 Cylinder with Double VANOS and Valvetronic Displacement: 2996 cc (3.0 Liters) Performance Horsepower: 255 hp @ 6600 rpm Torque: 220 lb-ft @ 2750 rpm Fuel System Injection Type: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Engine Internals Bore X Stroke: 85.0 mm x 88.0 mm Compression Ratio: 10.7:1 🔧 Transmission Standard Type: 6-speed manual transmission (GS6-37BZ) Optional Type: 6-speed Steptronic automatic transmission (GA6HP-19Z) Features AWD Integration: Seamless integration with xDrive all-wheel-drive system for 330xi models Fluid Specifications Manual Fluid: BMW MTF LT-2 (or equivalent API GL-4 SAE 75W-80) Automatic Fluid: BMW ATF LT-3 (or equivalent ETL-7045E) 📐 Dimensions Exterior Wheelbase: 108.7 inches (2760 mm) Length: 178.2 inches (4527 mm) Width: 68.5 inches (1740 mm) Height: 55.8 inches (1417 mm) Weights Curb Weight 330I: 3461 lbs (1570 kg) Curb Weight 330Xi: 3571 lbs (1620 kg) Gross Vehicle Weight Rating: Approx. 4430 lbs (2010 kg) Cargo Trunk Volume: 12.0 cu ft (339 Liters) 🛡️ Safety Features Ratings IIHS Front Crash: Good IIHS Side Impact: Good NHTSA Front Crash: 4 stars NHTSA Side Impact: 5 stars Active Features Stability Control: Dynamic Stability Control (DSC) Traction Control: Traction Control System (TCS) Braking Assist: Anti-lock Braking System (ABS), Dynamic Brake Control (DBC) Passive Features Airbags: Frontal airbags, front side-impact airbags, head protection system (curtain airbags) Seatbelts: 3-point inertia-reel seatbelts with front seatbelt pretensioners and force limiters 💡 Technology Features Infotainment System Name: iDrive (various iterations) Features: Central display, rotary controller, optional navigation, radio, CD player, Bluetooth (often via adapter or specific packages). Driver Assistance Features: Tire Pressure Monitoring System (TPMS), optional Adaptive Headlights, Park Distance Control (PDC) Connectivity Features: Optional Bluetooth integration for hands-free calling and audio streaming. 🔧 Maintenance Service Intervals Oil Change Interval: Variable Oil Service (CBS - Condition Based Service), typically around 10,000-15,000 miles or annually. Brake Fluid Flush: Every 2 years, regardless of mileage. Coolant Flush: BMW's Long-Life Coolant (approx. every 4 years or 100,000 miles, consult manual for specifics). Spark Plug Replacement: Typically around 60,000-100,000 miles, depending on usage and specific spark plug type. Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) approved synthetic oil, SAE 0W-30 or 5W-30 recommended. Engine Oil Capacity: 6.5 US quarts (6.2 liters) with filter change. Coolant Type: BMW Blue Longlife Coolant (G48) or...