🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 335i xDrive Year: 2009 Codes Chassis Code: E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe), E93 (Convertible) Engine Code Primary: N54B30 👋 Introduction Market Position Segment: Premium Compact Executive Sedan/Wagon/Coupe/Convertible Target Audience: Enthusiasts, DIY mechanics, independent repair shops specializing in BMW vehicles. Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS. Key Features Vehicle Philosophy: Performance-oriented luxury vehicle with advanced engineering and sophisticated driving dynamics, emphasizing the 'Ultimate Driving Machine' ethos. Manual Value Proposition: Provides access to official, detailed, and accurate repair procedures, crucial for maintaining the complex systems of a BMW 335i xDrive. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service and repair for the specified vehicle model and year. Page Count Estimated Page Count: High (typical for official BMW repair manuals, likely 1000+ pages) Manual Type Type: Official Factory Service Manual (Software) Language Language: English Format Format: Software/Digital (likely PDF or proprietary viewer) 📖 Manual Coverage Systems Covered Engine: 3.0L Twin-Turbocharged Inline-6 (N54B30), including fuel injection, ignition, cooling, lubrication, emissions control, turbocharger system, and ECU diagnostics. Transmission: ZF 6HP19/21 (Automatic) and GETRAG GS6-37BZ (Manual), including clutch, gearbox, transfer case (for xDrive), differentials, driveshafts, and related hydraulics/electronics. Drivetrain: xDrive All-Wheel Drive System, including transfer case, front and rear differentials, axles, and electronic control unit. Suspension: Front McPherson strut and independent rear suspension, including springs, shock absorbers, control arms, bushings, steering knuckles, and anti-roll bars. Brakes: Front and rear disc brakes (ventilated), ABS, DSC (Dynamic Stability Control), DTC (Dynamic Traction Control), including brake calipers, rotors, pads, lines, master cylinder, and brake booster. Steering: Hydraulic power steering system, including steering rack, pump, hoses, and column. Electrical: Full vehicle electrical system, including battery, alternator, starter motor, lighting (headlights, taillights, interior), power accessories, wiring diagrams, fuses, relays, and onboard diagnostics (OBD-II). Body: Exterior body panels, doors, hood, trunk, bumpers, glass, seals, and interior trim panels. HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system, including compressor, evaporator, condenser, blower motor, climate control unit, and refrigerant system. Infotainment And Electronics: iDrive infotainment system, navigation, audio system, instrument cluster, and electronic control modules (ECUs). Procedures Included Maintenance: Routine scheduled maintenance, oil changes, filter replacements (oil, air, cabin, fuel), spark plug replacement, brake fluid flush, coolant flush, and tire rotation. Diagnostics And Troubleshooting: Step-by-step diagnostic procedures for all major systems, including fault code interpretation, component testing, and troubleshooting flowcharts. Repair And Replacement: Detailed instructions for component removal, installation, and repair, including engine component overhaul, transmission service, brake system repair, suspension and steering work, electrical component replacement, and body panel repair. Special Tools And Equipment: Identification and usage instructions for specialized BMW tools required for specific repair and diagnostic procedures. Technical Depth Depth: Full factory-level repair information, covering everything from basic fluid checks to complete engine and transmission rebuilds, including detailed wiring schematics and diagnostic procedures. 📊 Manual Specifications File Format File Type: Digital Software (likely PDF, CHM, or proprietary viewer format) Print Quality Print Readability: High, designed for clear on-screen viewing and printing of diagrams and text. Binding Type Binding Type: N/A (Software format) Paper Type Paper Type: N/A (Software format) ⚙️ Engine Specifications Primary Engine Engine Name: N54B30 Engine Type: 3.0 Liter (2979 cc) Twin-Turbocharged Inline 6-Cylinder Bore X Stroke: 84 mm x 90 mm Compression Ratio: 10.2:1 Valvetrain: DOHC, 24 Valves (4 valves per cylinder), Double VANOS Fuel Delivery: High-Pressure Direct Injection (HPFP) Turbocharging: Twin Turbochargers (parallel configuration) Ignition System: Coil-on-plug ignition with knock control Performance Horsepower Hp: 300 hp @ 5800 rpm Torque Lb-Ft: 300 lb-ft @ 1300-5000 rpm Fuel System Fuel Type: Premium Unleaded Gasoline (91 AKI or higher recommended) Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) Synthetic Engine Oil Capacity Quarts: 6.5 quarts (with filter) Coolant Type: BMW Blue Antifreeze/Coolant (G48) 🔧 Transmission Standard Type Automatic: ZF 6HP19/21 Steptronic Automatic Optional Type Manual: GETRAG GS6-37BZ 6-Speed Manual Features Drivetrain Type: xDrive All-Wheel Drive Fluid Specifications Automatic Transmission Fluid Type: ZF Lifeguard Fluid 6 (LF-6) Manual Transmission Fluid Type: BMW MTF LT-3 Transfer Case Fluid Type: BMW DTF-1 📐 Dimensions Exterior Wheelbase Inches: 108.7 inches (E90/E91), 107.4 inches (E92/E93) Weights Curb Weight Lbs Approx: 3700-4000 lbs (depending on body style and transmission) 🛡️ Safety Features Ratings NHTSA Overall Rating: Likely 4 or 5 stars (specific rating varies by body style and testing cycle) Active Features Stability Control: Dynamic Stability Control (DSC), including Dynamic Traction Control (DTC) Braking System: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist Passive Features Airbags: Front airbags, side-impact airbags, head protection system (curtains) 💡 Technology Features Infotainment System Name: BMW iDrive (CCC or CIC Professional Navigation System) Features: Navigation, radio (AM/FM/Satellite), CD player, auxiliary audio input, Bluetooth connectivity (for calls and audio streaming on some configurations). Driver Assistance Advanced Features: Tire Pressure Monitoring System (TPMS), Rain-sensing wipers, Automatic headlights. Connectivity Bluetooth: Standard on most models,...