🏷️ Basic Information Identification Make: BMW Model: 335i Year: 2011 Codes Chassis Code: E90/E91/E92/E93 (Sedan/Wagon/Coupe/Convertible) 👋 Introduction Market Position Segment: Premium Sport Sedan/Coupe/Convertible Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G37 Key Features Vehicle Appeal: Performance, Luxury, Driving Dynamics, Advanced Technology 📋 Manual Details Coverage Areas Primary Coverage: Repair, Service, Maintenance, Diagnostics, Troubleshooting Secondary Coverage: Specifications, Wiring Diagrams, Component Locations Page Count Estimated Pages: Extensive (Software-based, dynamic content) Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: Digital Software (Downloadable) 📖 Manual Coverage Systems Covered Powertrain: Engine (N54, N55), Drivetrain, Transmission (Automatic/Manual) Chassis: Suspension, Steering, Brakes (ABS, DSC), Wheels, Tires Electrical: Body Electronics, Comfort Systems, Lighting, Infotainment, ECU/DME Body: Body Panels, Doors, Windows, Interior Trim, HVAC Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Spark Plugs, Brake Service Repair: Engine Overhaul, Transmission Rebuild, Suspension Component Replacement, Brake Caliper Service Diagnostics: Troubleshooting Symptom Guides, Diagnostic Trouble Codes (DTCs), Component Testing Special Tools: Identification and usage of BMW-specific tools Technical Depth Depth: Comprehensive, from basic fluid checks to full engine and transmission diagnostics and repairs, including electronic systems. 📊 Manual Specifications File Format Software Requirements: Compatible with Windows OS, may require specific browser plugins or activation. Print Quality Print Capability: Printable pages for individual sections or procedures. Binding Type Binding: N/A (Digital Software) Paper Type Paper Type: N/A (Digital Software) ⚙️ Engine Specifications Primary Engine Engine Code: N54B30T0 (3.0L Twin-Turbo Inline-6) and N55B30T0 (3.0L Single-Turbo Inline-6) Displacement: 2979 cc (3.0 Liters) Performance Horsepower: 300 hp @ 5800 rpm (N54), 300 hp @ 5800 rpm (N55) Torque: 300 lb-ft @ 1300-5000 rpm (N54), 300 lb-ft @ 1200-5000 rpm (N55) Fuel System Fuel Delivery: Direct Injection (High-Pressure) Recommended Fuel: Premium Unleaded Gasoline (91 Octane or higher) 🔧 Transmission Standard Type: 6-Speed Manual (Getrag GS6-37BZ) Optional Type: 6-Speed Automatic (ZF 6HP19TU/6HP28TU) Features Sport Mode: Steptronic with Paddle Shifters (Automatic) Fluid Specifications Automatic Transmission Fluid: BMW ATF 6 (or equivalent Dexron VI spec) Manual Transmission Fluid: BMW MTF-LT-3 (or equivalent SAE 75W-80 GL-4) 📐 Dimensions Exterior Length: E90 Sedan: 180.6 in / E92 Coupe: 181.8 in / E93 Convertible: 182.1 in Width: 70.2 in Height: E90 Sedan: 56.7 in / E92 Coupe: 55.7 in / E93 Convertible: 55.9 in Weights Curb Weight: Approx. 3570 - 4050 lbs (depending on body style and transmission) 🛡️ Safety Features Ratings NHTSA Front Crash Test: 5-Star (for applicable models/years) IIHS Top Safety Pick: Yes (for applicable models/years) Active Features Traction Control: Dynamic Traction Control (DTC), Dynamic Stability Control (DSC) Braking System: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist Passive Features Airbags: Front, Side, Knee Airbags 💡 Technology Features Infotainment System: iDrive (CCC or CIC Professional Navigation System) Features: Navigation, CD/DVD Player, AM/FM Radio, Auxiliary Input, Optional SiriusXM Satellite Radio Driver Assistance Adaptive Headlights: Optional Xenon Adaptive Headlights Parking Assist: Optional Rear Park Distance Control (PDC) / Backup Camera Connectivity Bluetooth: Standard Bluetooth connectivity for hands-free calling and audio streaming. Usb Aux: USB/Audio Interface for media playback and charging. 🔧 Maintenance Service Intervals Oil Change Interval: Variable, based on oil condition sensor (typically 10,000-15,000 miles or 1-2 years) Brake Fluid Flush: Every 2 years Spark Plug Replacement: Approx. 60,000 miles (Long-Life Platinum/Iridium) Fluid Specifications Engine Oil: BMW Longlife-01 (LL-01) SAE 0W-30 or 5W-30 Synthetic Coolant: BMW Blue Antifreeze/Coolant (G48) mixed with distilled water (50/50 ratio) Power Steering Fluid: BMW ATF Dexter II or Pentosin CHF 11 S (check VIN for specific type) Known Issues Fuel System: High-pressure fuel pump (HPFP) failures, injector issues, carbon buildup on intake valves (N54 especially). Cooling System: Water pump and thermostat failures, coolant leaks. Turbochargers: Wastegate rattle (N54), vacuum line leaks. Electronics: CCC/CIC iDrive system glitches, FRM (Footwell Module) failures. 📚 Vehicle History Brand Heritage Heritage: BMW is renowned for its 'Ultimate Driving Machine' philosophy, emphasizing performance and engineering. Model Evolution Generation: Fifth generation (E90/E91/E92/E93), succeeding the E46 and preceding the F30. Production Production Years: 2006-2013 (for the E90 generation platform) 🏆 Awards & Recognition Recognitions Ward 10 Best Engines: N54 engine awarded multiple times. Car And Driver 10Best: 3 Series line often recognized.