🏷️ Basic Information Identification Make: BMW Model: 330xi Model Code: E90 (Sedan), E91 (Wagon/Touring) Generation: E90/E91 Year: 2006-2010 Codes Chassis Code: E90 (Sedan), E91 (Wagon) Engine Code Primary: N52B30 👋 Introduction Market Position Segment: Compact Executive Sedan/Wagon Target Audience: Performance-oriented luxury car buyers Competitive Analysis Key Rivals: Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS250 AWD Key Features Drivetrain: BMW's xDrive all-wheel-drive system Engine Technology: Naturally Aspirated Inline-6 with Magnesium-Aluminum Engine Block Driving Dynamics: Renowned BMW handling and driver engagement 📋 Manual Details Coverage Areas Countries Of Operation: Global (English language) Model Variant Coverage: All 330xi Sedan and Wagon (Touring) models Page Count Estimated Pages: 2000+ Manual Type Type: Workshop Repair and Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Exhaust System, Cooling System, Drivetrain (xDrive AWD) Chassis: Suspension (Front & Rear), Steering, Brakes, Wheels & Tires, xDrive AWD System Electrical: ECU, Wiring Diagrams, Lighting, Ignition, Power Accessories, Battery, Charging System, iDrive System (basic) Body: Body Panels, Doors, Windows, Seats, HVAC System, Exterior Trim Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, spark plug replacement, brake pad/rotor service Repair: Engine overhauls, transmission service, suspension component replacement, brake caliper repair, electrical diagnostics, component replacement Troubleshooting: Diagnostic fault codes (DTCs), common problems, diagnostic flowcharts, system checks Special Tools: Identification and usage of BMW-specific tools for various procedures Technical Depth Level: Comprehensive Professional Workshop Level Diagnostic Capability: In-depth diagnostic procedures, wiring diagrams, component testing Rebuild Information: Detailed instructions for engine and transmission rebuilds 📊 Manual Specifications File Format Type: Searchable PDF Quality: High-resolution scans, clear text and diagrams Print Quality Printability: Printable pages for workshop use Binding Type Type: N/A (Digital Download) Paper Type Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, Naturally Aspirated Displacement: 2996 cc (3.0 Liters) Bore X Stroke: 85.0 mm x 88.0 mm Compression Ratio: 10.7:1 Valvetrain: Double Overhead Camshafts (DOHC), 24 Valves, VANOS (Variable Valve Timing) Engine Block Material: Magnesium-Aluminum Alloy Performance Horsepower: 255 hp @ 6600 rpm Torque: 220 lb-ft @ 2750 rpm Fuel System Injection: Multi-point Fuel Injection (MPI) with Bosch Motronic Recommended Fuel: Premium Unleaded Gasoline (91 AKI or higher) 🔧 Transmission Standard Type: 6-Speed Manual Transmission (Getrag GS6-37BZ) Optional Type: 6-Speed Steptronic Automatic Transmission (GA6HP-19Z) Features Transfer Case: BMW xDrive All-Wheel Drive System with Electronically Controlled Clutch Fluid Specifications Manual Transmission Fluid: BMW MTF LT-2 (BMW Part No. 83 22 0 309 031) Automatic Transmission Fluid: BMW ATF LT-71141 (BMW Part No. 83 22 9 407 841) or equivalent Dexron III/VI Fluid Capacities Manual Transmission Capacity: Approx. 1.5 Liters Automatic Transmission Capacity: Approx. 7.0 - 7.5 Liters (with torque converter) 📐 Dimensions Exterior Wheelbase: 108.7 inches (2760 mm) Length Sedan: 181.4 inches (4608 mm) Length Wagon: 180.4 inches (4582 mm) Width: 70.1 inches (1781 mm) Height Sedan: 56.1 inches (1425 mm) Height Wagon: 55.7 inches (1415 mm) Cargo Trunk Volume Sedan: 15.0 cu ft (425 L) Cargo Volume Wagon Seats Up: 17.7 cu ft (500 L) Cargo Volume Wagon Seats Down: 58.3 cu ft (1650 L) Weights Curb Weight Manual Sedan: 3660 lbs (1660 kg) Curb Weight Automatic Sedan: 3680 lbs (1670 kg) Curb Weight Automatic Wagon: 3815 lbs (1730 kg) Wheel Bolt Pattern: 5 x 120 mm Tire Size Front: 225/45R17 Tire Size Rear: 225/45R17 Wheel Size: 17 x 8.0 inches 🛡️ Safety Features Ratings NHTSA Frontal Driver: 5-Star (2006 Model) NHTSA Frontal Passenger: 5-Star (2006 Model) IIHS Roof Strength: Good (2006-2010 Models) Active Features Stability Control: Dynamic Stability Control (DSC) with Traction Control (TC) Braking System: 4-wheel Ventilated Disc Brakes with ABS, Brake Assist Drivetrain Safety: xDrive All-Wheel Drive for enhanced traction Passive Features Airbags: Front Airbags, Side Curtain Airbags, Front Side Impact Airbags Seatbelts: 3-point inertia-reel seat belts with pretensioners and force limiters 💡 Technology Features Infotainment System Name: iDrive (CCC Generation) Features: Navigation, Radio, CD Player, Auxiliary Input (optional) Display: Central control display via iDrive rotary controller and buttons Driver Assistance Features: Park Distance Control (PDC), Rain-sensing wipers, Automatic headlights Connectivity Features: Bluetooth phone connectivity (optional), USB interface (later models) 🔧 Maintenance Service Intervals Oil Change Interval: Variable Service Indicator (VSI) system, typically every 10,000-15,000 miles or as indicated by the car. Brake Fluid Flush: Every 2 years, regardless of mileage (as per BMW recommendations) Engine Air Filter: Check every 15,000 miles, replace as needed or at ~30,000 miles. Cabin Microfilter: Replace every 15,000-20,000 miles. Spark Plugs: Replace at ~100,000 miles (NGK or Bosch Platinum/Iridium plugs recommended). Coolant Flush: Initial fill is often long-life; drain/refill recommended every 4-5 years or as per VSI. Use BMW Blue Antifreeze. Fluid Specifications Engine Oil: SAE 0W-30 or 5W-30 Synthetic, BMW LL-01 or LL-04 approved (e.g., Castrol Syntec/Edge Professional). Coolant: BMW Blue Antifreeze/Coolant (G48) mixed 50/50 with distilled water. Power Steering Fluid: BMW Power Steering Fluid (Pentosin CHF...