🏷️ Basic Information Identification Make: BMW Model: 335xi Years Covered: 2006, 2007, 2008, 2009, 2010 Codes Chassis Codes: E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe), E93 (Convertible) 👋 Introduction Market Position Segment: Sport Sedan/Coupe/Convertible, Premium Mid-size Target Audience: Enthusiasts, DIY mechanics, professional automotive technicians Competitive Analysis Competitors: Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS F Key Features Performance Orientation: Emphasis on sporty driving dynamics and powerful acceleration. All Wheel Drive: Standard xDrive system for enhanced traction and stability. Twin Turbocharging: N54 engine's twin-turbo setup provides significant torque and power. 📋 Manual Details Coverage Areas Engine Variants Covered: 3.0L Twin-Turbocharged Inline-6 (N54B30) Drivetrain Covered: xDrive All-Wheel Drive System Page Count Estimated Pages: Thousands (typical for comprehensive workshop manuals) Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine (N54), Fuel System, Ignition System, Cooling System, Exhaust System, Turbocharging System, Drivetrain (xDrive AWD) Chassis: Suspension (Front & Rear), Steering, Brakes (including ABS/DSC), Wheels & Tires Electrical: Battery, Charging System, Starting System, Lighting, Instrumentation, HVAC Controls, Infotainment, Body Electronics, DME (Digital Motor Electronics), EGS (Electronic Gearbox Control), DSC (Dynamic Stability Control) Bodywork: Body Panels, Doors, Windows, Seats, Exterior Trim, Interior Trim, Restraint Systems (Airbags) Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks & Top-offs, Spark Plug Replacement, Brake Pad & Rotor Replacement Repair: Engine Overhaul, Turbocharger Replacement, Injector Service, Transmission Repair/Replacement, Suspension Component Replacement, Brake System Bleeding & Repair, Electrical Component Diagnosis & Replacement Diagnostics: Troubleshooting Common Issues, Diagnostic Trouble Codes (DTCs), Electrical System Testing, Component Testing Technical Depth Depth: Comprehensive: From basic fluid changes to full engine and transmission rebuilds, including detailed wiring diagrams and diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable for keywords Print Quality Quality: Professional digital reproduction of original factory documentation Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: N54B30 Displacement: 2979 cc (3.0 Liters) Configuration: Inline 6-Cylinder Aspiration: Twin-Turbocharged Performance Horsepower: 300 hp @ 5800 rpm (approx.) Torque: 300 lb-ft @ 1400 rpm (approx.) Fuel System Injection Type: Direct Injection (High-Pressure) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) 🔧 Transmission Standard Type: 6-speed Manual Transmission (e.g., GS6-53DZ) Optional Type: 6-speed Steptronic Automatic Transmission with Paddle Shifters (e.g., GA6HP-19Z) Features X Drive Integration: Integrated with xDrive AWD system for power distribution 📐 Dimensions Exterior Wheelbase: Approx. 108.7 inches (E90/E92), 110.6 inches (E91) Length: Approx. 181.8 inches (E90), 184.0 inches (E91), 181.3 inches (E92) Width: Approx. 70.1 inches Height: Approx. 56.2 inches (E90/E92), 57.3 inches (E91), 55.5 inches (E93) Weights Curb Weight: Approx. 3600 - 3800 lbs (varies by body style) 🛡️ Safety Features Ratings NHTSA Front Crash: 5-Star (for applicable models/years) IIHS Front Offset: Good (for applicable models/years) Active Features Traction Control: Dynamic Traction Control (DTC), Dynamic Stability Control (DSC) Braking: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist Passive Features Airbags: Front, Side-impact, and Curtain Airbags Seatbelts: Pretensioning front seatbelts 💡 Technology Features Infotainment System Name: iDrive (various generations depending on year and options) Features: Navigation system, Radio (AM/FM/Satellite), CD Player, Bluetooth connectivity (later years), USB integration (later years). Driver Assistance Standard Features: ABS, DSC, Traction Control, Cruise Control Optional Features: Active Steering, Adaptive Headlights Connectivity Bluetooth: Available on models equipped with the 'Enhanced Premium Sound' or Technology Package, allowing phone calls and audio streaming. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000-15,000 miles or as indicated by Condition Based Service (CBS) system. Spark Plug Replacement: Around 60,000 miles for original plugs, potentially earlier for performance driving. Brake Fluid Flush: Every 2 years, regardless of mileage. Fluid Specifications Engine Oil: BMW Longlife-01 (LL-01) or LL-04 approved synthetic oil, typically 0W-30 or 5W-30 viscosity. Coolant: BMW Blue Antifreeze/Coolant (G48 or equivalent), mixed 50/50 with distilled water. Brake Fluid: DOT 4 High Performance Synthetic Brake Fluid Transmission Fluid Auto: Specialized ATF (e.g., LT-5 for ZF GA6HP19Z), often requires BMW Blue oil. Transmission Fluid Manual: BMW MTF LT-3 (or equivalent high-quality manual transmission fluid). Differential Fluid: BMW Hypoid Gear Oil G2 (or equivalent GL-5 rated gear oil). Known Issues Turbocharger System: Wastegate rattle, vacuum line leaks, turbocharger failure (especially on early N54s), HPFP (High-Pressure Fuel Pump) failures, injector issues. Engine Management: Carbon buildup on intake valves due to direct injection, coil pack failures, sensor issues (e.g., crankshaft position). Cooling System: Water pump failures (electric pump), thermostat failures. Drivetrain: Drive shaft flex disc wear, AWD system component issues (rare). 📚 Vehicle History Brand Heritage Legacy: BMW's reputation for 'Ultimate Driving Machine' and engineering excellence. Model Evolution Generation: Fifth Generation BMW 3 Series (E90/E91/E92/E93) Introduction Of 335Xi: The 335xi designation signifies the introduction of the powerful N54 twin-turbo engine combined with the xDrive AWD system in the 3 Series lineup, representing a significant performance and technological...