🏷️ Basic Information Identification Make: Audi Model: S4 Year: 2011 Generation Generation: B8 Codes Chassis Code: 8K 👋 Introduction Market Position Vehicle Segment: Premium Mid-Size Sport Sedan Target Audience: Performance-oriented luxury car buyers Competitive Analysis Primary Competitors: BMW 3 Series (e.g., 335i), Mercedes-Benz C-Class (e.g., C350), Infiniti G37 Sport Key Features Performance Orientation: High-revving supercharged V6, Quattro AWD, sporty chassis tuning Design Language: Angular, aggressive styling characteristic of Audi's B8 generation Manual Advantage: Provides factory-derived data for DIY repairs, saving on professional labor costs. 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Software Language: English Format: Online Software (Web Browser Access) Access Duration: 1 Year (with options for renewal) Page Count Estimated Page Count: Thousands of pages (digital content) 📖 Manual Coverage Systems Covered Engine: Yes (3.0L TFSI V6 Supercharged) Drivetrain: Yes (Quattro AWD, S tronic, Manual Transmission) Suspension Steering: Yes (Dynamic Ride Control, steering system) Brakes: Yes (ABS, ESP, brake system components) Electrical Electronics: Yes (Wiring diagrams, ECUs, sensors) HVAC: Yes (Heating, Ventilation, and Air Conditioning) Body Chassis: Yes (Bodywork, structural components) Infotainment Comfort: Yes (MMI system, seats, interior trim) Procedures Included Routine Maintenance: Yes (Oil changes, filter replacements, inspections) Diagnostics Troubleshooting: Yes (Fault code interpretation, symptom-based diagnostics) Component Repair Replacement: Yes (Engine, transmission, brakes, suspension, etc.) Rebuilding Procedures: Yes (Key component rebuilds, where applicable) Wiring Diagrams: Yes (Comprehensive electrical schematics) Technical Depth Depth Of Coverage: Factory-level OE information Diagnostic Tools: References required diagnostic tools (e.g., VCDS, ODIS) Specifications Tolerances: Yes (Detailed torque specs, clearances, etc.) 📊 Manual Specifications File Format File Format: Proprietary Web-based Software Print Quality Print Quality: N/A (Digital format) Binding Type Binding Type: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) Compatibility Device Compatibility: PC, Laptop, Smartphone, Tablet (via web browser) Browser Compatibility: Modern Web Browsers (Chrome, Firefox, Safari, Edge) ⚙️ Engine Specifications Primary Engine Engine Code: CNDA (for 2011 model year) Engine Configuration: 3.0L (2995cc) V6 Aspiration: Supercharged (Roots-type, intercooled) Bore X Stroke: 84.5 mm x 89.0 mm Compression Ratio: 10.5:1 Valve Train: DOHC, 4 valves per cylinder, variable valve timing (Audi valvelift system) Redline: 7000 RPM Performance Horsepower: 329 hp @ 6500 RPM Torque: 325 lb-ft (440 Nm) @ 2900-4000 RPM Fuel System Fuel Delivery: Direct Injection (FSI) with forced induction Fuel Type: Premium Unleaded Gasoline (91 AKI or higher recommended) Fluid Specifications Engine Oil Type: SAE 5W-40 Synthetic (API SN, ACEA C3) Engine Oil Capacity: Approx. 6.5 liters (6.9 US quarts) Coolant Type: G13 (Purple) or G12++ (Pink) Antifreeze/Coolant 🔧 Transmission Standard Transmission Type: 6-Speed Manual Transmission (0B1) Optional Transmission Type: 7-Speed S tronic Dual-Clutch Automatic Transmission (0B5) Features Drivetrain Layout: Permanent All-Wheel Drive (Quattro) Differential Type: Self-locking center differential; optional sport differential with torque vectoring on rear axle Fluid Specifications Manual Transmission Fluid: GL-4 or GL-5 Gear Oil (e.g., Pentosin MTF 2) S Tronic Fluid: G 052 529 A2 (Dual Clutch Transmission Fluid) 📐 Dimensions Exterior Length: 184.6 in (4689 mm) Width: 73.1 in (1857 mm) Height: 55.5 in (1410 mm) Wheelbase: 108.3 in (2751 mm) Weights Curb Weight: Approx. 3900-4000 lbs (1769-1814 kg) depending on transmission Gross Vehicle Weight Rating: Approx. 5200 lbs (2359 kg) Towing Capacity: Not Recommended 🛡️ Safety Features Ratings NHTSA Overall Rating: 5-Star (for sedan variants of the B8 generation) Active Features Electronic Stability Control: Yes (ESP with integrated ABS, EBD, ASR) Traction Control: Yes (ASR integrated into ESP) Brake Assist: Yes Passive Features Airbags: Front, side, and curtain airbags Seatbelts: 3-point automatic locking retractors with pre-tensioners and load limiters Child Seat Anchors: LATCH (Lower Anchors and Tethers for CHildren) 💡 Technology Features Infotainment Infotainment System: Audi MMI (Multi Media Interface) system Navigation: Optional factory navigation system Audio: Audi Sound System, optional Bang & Olufsen Sound System Driver Assistance Adaptive Cruise Control: Optional Parking Sensors: Front and Rear (optional) Rearview Camera: Optional Connectivity Bluetooth: Standard for hands-free calling and audio streaming Auxiliary Input: Yes Usb Interface: Optional (Audi Music Interface) 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000 miles or 1 year, whichever comes first (check owner's manual for specific conditions) Spark Plug Replacement: Approximately 35,000-45,000 miles (refer to manual for exact interval based on driving conditions) Brake Fluid Flush: Every 2 years, regardless of mileage Transmission Fluid Change: Manual: Not typically scheduled for replacement unless service is performed. S tronic: Often recommended around 40,000-60,000 miles (check manual). Fluid Specifications Power Steering Fluid: Pentosin CHF 11S or equivalent (Green) Brake Fluid: DOT 4 Class 6 Low Viscosity Known Issues Oil Consumption: Some B8 S4 models, particularly early ones, experienced higher than average oil consumption due to piston ring design. The manual will detail checks and potential fixes. Supercharger Coupler: Potential for wear and noise, requiring inspection and possible replacement. Pcv Valve: Can become clogged, leading to rough idle or oil leaks. The manual provides diagnostic steps. Clutch Wear: As with...