🏷️ Basic Information Identification Make: BMW Model: 330i Year Start: 2006 Year End: 2010 Codes Chassis Code: E90 (Sedan), E91 (Wagon), E92 (Coupe), E93 (Convertible) 📋 Manual Details Coverage Areas Engine: 3.0L Inline-6 Transmission: Manual & Automatic Systems: Engine, Transmission, Drivetrain, Suspension, Brakes, Electrical, HVAC, Body, Interior, Diagnostics Manual Type Type: Service Repair Workshop Manual Language Language: English ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline-6 Displacement: 3.0 Liters (2996 cc) Engine Code: N52B30 Bore: 85.0 mm Stroke: 88.0 mm Compression Ratio: 10.7:1 Performance Horsepower: 255 hp @ 6600 rpm Torque: 220 lb-ft @ 2750 rpm Fuel System Fuel Delivery: Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded Premium Gasoline Fuel Tank Capacity: 16.1 gallons (61 liters) 🔧 Transmission Standard Type: 6-Speed Manual (SMG optional on some earlier models) Optional Type: 6-Speed Automatic Steptronic Features Drive Type: Rear-Wheel Drive (RWD) All Wheel Drive Availability: xDrive (available on some models) 📐 Dimensions Exterior Length Sedan: 181.8 inches (4619 mm) Width Sedan: 70.2 inches (1783 mm) Height Sedan: 56.7 inches (1441 mm) Wheelbase Sedan: 108.7 inches (2760 mm) Weights Curb Weight Sedan Manual: approx. 3461 lbs (1570 kg) Curb Weight Sedan Automatic: approx. 3527 lbs (1600 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for Sedan) NHTSA Side Impact: 5-Star (for Sedan) IIHS Front Overlap: Good (for Sedan) Features Airbags: Front, Side, and Curtain Airbags Stability Control: Dynamic Stability Control (DSC) Traction Control: Automatic Stability Control and Traction (ASC+T) ABS: Anti-lock Braking System (ABS) Brake Assist: Brake Assistant Tire Pressure Monitoring: Tire Pressure Monitoring System (TPMS) 🔧 Maintenance Service Intervals Oil Change: Variable (BMW Condition Based Service - CBS system) Brake Fluid: Every 2 years Coolant: Long-life coolant, typically replaced around 5 years or 100,000 miles Fluid Specifications Engine Oil: BMW Longlife-01 or Longlife-04 synthetic (viscosity depends on climate, e.g., 0W-40, 5W-30) Coolant: BMW Blue or Pentofrost Blue (G48 ethylene glycol based) Brake Fluid: DOT 4 Transmission Fluid Manual: BMW MTF LT-3 Transmission Fluid Automatic: BMW ATF LT-3 (or equivalent for ZF 6HP19/21) Power Steering Fluid: Pentosin CHF 11S or BMW ATF D3