🏷️ Basic Information Identification Make: BMW Model: 335i Year: 2009 Codes Chassis Code: E90/E91/E92/E93 Engine Code: N54B30A 👋 Introduction Market Position Segment: Premium Mid-Size Sport Sedan/Coupe/Convertible Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37 Key Features Performance Focus: Known for its powerful twin-turbocharged engine and engaging driving dynamics Luxury Appointments: High-quality interior materials, advanced technology, and refined ride Manual Value Proposition Benefits: Enables DIY enthusiasts and professional technicians to perform accurate diagnostics and repairs, saving time and money. Licensing: Officially Licensed (implies accuracy and adherence to manufacturer specifications) 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Language: English Format: Software (Digital Download) Page Count Estimated Page Count: Comprehensive (Thousands of pages equivalent in digital format) 📖 Manual Coverage Systems Covered Engine: N54 Twin-Turbocharged Inline-6, including diagnosis, repair, and overhaul Fuel System: High-pressure direct injection, fuel pump, injectors, pressure regulation Ignition System: Coil-on-plug ignition, spark plugs, diagnostic procedures Cooling System: Radiator, water pump, thermostat, coolant types, bleed procedures Exhaust System: Catalytic converters, mufflers, oxygen sensors, emissions control Transmission Automatic: ZF 6HP19TU/21TU, shift logic, fluid, torque converter, mechatronics Transmission Manual: Getrag GS6-37BZ, clutch, gearbox overhaul, shifter mechanism Drivetrain: Rear-wheel drive, driveshaft, differential, axle shafts Suspension: Front struts, rear multi-link, control arms, bushings, alignment specifications Steering: Hydraulic power steering, steering rack, tie rods, electronic power steering (EPS) troubleshooting (if applicable) Brakes: ABS, DSC, front vented discs, rear vented discs, brake fluid, bleeding procedures, parking brake Electrical System: 12V battery, alternator, starter, wiring diagrams, fuses, relays Body Control Module: BCM, body electronics, comfort features, lighting Infotainment: iDrive system, radio, navigation, Bluetooth, auxiliary input Climate Control: HVAC system, A/C compressor, refrigerant, climate control module Safety Systems: Airbags, SRS module, seatbelt pre-tensioners, occupant sensors Bodywork: Body panels, doors, hood, trunk, trim, glass, rust prevention Procedures Included Maintenance: Oil changes, filter replacements, fluid checks, spark plug replacement, brake pad/rotor replacement Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based diagnostics, common fault finding Repair: Component removal and installation, system overhauls, component-level repair Diagnostics: OBD-II diagnostics, BMW-specific diagnostic protocols, using ISTA/D or similar tools Wiring Diagrams: Detailed electrical schematics for all systems Specifications: Torque values, clearances, fluid capacities, resistance readings Technical Depth Depth: Comprehensive, covering basic maintenance to full engine and transmission rebuilds Detail Level: Detailed step-by-step instructions, illustrations, and diagrams Diagnostic Tools: Recommendations for diagnostic tools and equipment 📊 Manual Specifications File Format File Type: Proprietary Software/Database (often accessed via web browser or dedicated application) Searchable: Yes, highly searchable text content Print Quality Digital Resolution: High-resolution digital content, suitable for on-screen viewing and printing Binding Type Binding: N/A (Digital Software) Paper Type Paper Quality: N/A (Digital Software) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, Twin-Turbocharged Displacement: 2979 cc (3.0 Liters) Bore X Stroke: 84.0 mm x 90.0 mm Compression Ratio: 10.2:1 Horsepower: 300 hp @ 5800 rpm (SAE) Torque: 300 lb-ft @ 1300-5000 rpm (SAE) Performance Boost Pressure: Approx. 10-12 psi (peak) Redline: 7000 rpm Fuel System Fuel Delivery: High-Pressure Direct Injection (HPDI), Twin Turbochargers Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Management: BMW Engine Management System (MSV70/MSD80 variants) 🔧 Transmission Standard Transmission Type: 6-Speed Manual Transmission (GS6-37BZ) Optional Transmission Type: 6-Speed Steptronic Automatic Transmission (ZF 6HP19TU/21TU) Features Automatic Modes: Sport Mode, Manual Shifting via Shifter or Paddles (if equipped) Fluid Specs Manual Transmission Fluid: BMW MTF LT-2 (or equivalent) Automatic Transmission Fluid: BMW ATF LT-3 (or equivalent) 📐 Dimensions Exterior Wheelbase: 108.7 inches (2760 mm) Length: 181.8 inches (4618 mm) (Sedan) Width: 70.1 inches (1781 mm) Height: 56.7 inches (1441 mm) (Sedan) Weights Curb Weight Manual: Approx. 3570 lbs (1620 kg) Curb Weight Automatic: Approx. 3650 lbs (1655 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star IIHS Top Safety Pick: Yes (for applicable body styles) Active Features Stability Control: Dynamic Stability Control (DSC), Dynamic Traction Control (DTC) Braking System: Anti-lock Braking System (ABS), Electronic Brake Force Distribution (EBD) Passive Features Airbags: Front, side-impact, and head airbags Seatbelts: 3-point inertia-reel seat belts with front force limiters and pre-tensioners 💡 Technology Features Infotainment Display: Central Information Display (CID) controlled by iDrive interface Audio Options: Professional Radio, Logic7 Sound System (optional) Navigation: BMW Professional Navigation System (optional) Driver Assistance Parking Assist: Front and Rear Park Distance Control (PDC) Cruise Control: Standard cruise control, Adaptive Cruise Control (ACC) may be optional on some models Connectivity Bluetooth: Bluetooth connectivity for hands-free calling and audio streaming (often with advanced options like BMW Assist) Usb Aux: Auxiliary audio input, USB interface for audio playback (optional) 🔧 Maintenance Service Intervals Oil Change Interval: Condition-Based Service (CBS) system, typically around 10,000-15,000 miles or 12 months Brake Fluid Change: Every 2 years (as per CBS) Spark Plug Replacement: Typically around 60,000 miles (check CBS) Engine Air Filter: Check at ~30,000 miles, replace as needed Fluid Specifications Engine Oil Type: BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) synthetic oil,...