🏷️ Basic Information Identification Make: Audi Model: S4 Year: 2012 Codes Chassis Code: B8 Generation Generation Designation: Fourth Generation (B8) 👋 Introduction Market Position Segment: Luxury Performance Sedan Positioning: High-performance, driver-focused variant of the A4 lineup. Competitive Analysis Key Competitors: BMW 335i, Mercedes-Benz C63 AMG, Cadillac CTS-V. Key Features Manufacturer Claim: Official, licensed OE (Original Equipment) derived information for accuracy and completeness. Convenience: Instant online access, more convenient and potentially less expensive than outdated printed manuals. User Focus: Aimed at DIY enthusiasts and independent repair shops. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance, Diagnostics Secondary Coverage: Electrical Systems, Bodywork, HVAC, Chassis Page Count Estimated Pages: Extensive (Digital Content) Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: Online Software/Digital Access 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drivetrain, Exhaust Chassis: Suspension, Steering, Brakes, Wheels, Tires Electrical: Wiring Diagrams, ECUs, Lighting, Infotainment Comfort And Safety: HVAC, Body Control Modules, Airbags, Interior Trim Procedures Included Maintenance: Oil Change, Filter Replacement, Fluid Checks, Spark Plugs Repair: Engine Rebuilds, Transmission Overhaul, Component Replacement Diagnostics: Troubleshooting Guides, DTC Interpretation, Live Data Analysis Special Procedures: Timing Chain Replacement, Clutch Service, Suspension Alignment Body And Frame: Body panel removal/installation, collision repair, chassis alignment. Technical Depth Depth: Comprehensive from basic maintenance to complete engine/transmission rebuilds and advanced diagnostics. 📊 Manual Specifications File Format Digital Format: Web-based access via browser, compatible with PC, laptop, smartphone, tablet. Print Quality Print Quality: N/A (Digital Content) Binding Type Binding: N/A (Digital Content) Paper Type Paper Type: N/A (Digital Content) Access Subscription Duration: 1 Year Access (with discounts for extensions) ⚙️ Engine Specifications Primary Engine Engine Code: CNDA (3.0 TFSI) Engine Type: 3.0L Supercharged V6 Performance Horsepower: 295 hp @ 7,500 rpm Torque: 310 lb-ft @ 2,950-5,300 rpm Fuel System Fuel Delivery: Direct Injection (FSI) with Supercharger Fuel Type: Premium Unleaded (91 Octane Recommended) Cooling System Cooling Type: Liquid-Cooled Engine Management ECU Type: Bosch Motronic MED17 🔧 Transmission Standard Transmission Type: 6-speed Manual Optional Transmission Type: 7-speed S tronic (Dual-Clutch Automatic) Features Drivetrain: quattro All-Wheel Drive Differential: Sport Differential (Optional on S tronic, Standard on some manual models) Fluid Specifications Manual Transmission Fluid: G 052 171 A2 (or equivalent synthetic GL-4 75W-90) Automatic Transmission Fluid: G 052 529 A2 (for S tronic, specific fluid) 📐 Dimensions Exterior Length: 185.6 inches Width: 73.0 inches Height: 55.7 inches Wheelbase: 111.1 inches Weights Curb Weight Manual: Approx. 3,913 lbs Curb Weight Automatic: Approx. 4,023 lbs 🛡️ Safety Features Ratings NHTSA Overall: 5-Star (when equipped with optional side airbags and collision avoidance systems) Active Features Braking System: Vented front and rear disc brakes with ABS, EBD, and Brake Assist Stability Control: Electronic Stability Control (ESC) with integrated traction control. Passive Features Airbags: Front, side, and optional rear side airbags. Knee airbags. Seatbelts: Pretensioning front seatbelts with force limiters. 💡 Technology Features Infotainment Mmi System: MMI (Multi Media Interface) 3G High with navigation, Bluetooth, and optional Bang & Olufsen sound system. Display: 7-inch color display (retractable). Driver Assistance Adaptive Cruise Control: Optional Adaptive Cruise Control (ACC). Parking Assistance: Optional parking sensors and rearview camera. Connectivity Bluetooth: Standard Bluetooth for hands-free calling and audio streaming. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000 miles or 12 months, whichever comes first (depending on driving conditions and oil type). Spark Plug Replacement: Around 40,000-60,000 miles for iridium spark plugs. Brake Fluid Flush: Every 2 years. Fluid Specifications Engine Oil Specification: VW 502 00 or VW 504 00 approved synthetic oil (e.g., 5W-40 or 0W-40). Coolant Specification: G12 EVO or G13 (Pink/Purple) ethylene glycol-based coolant concentrate. Power Steering Fluid: G 002 000 (or Pentosin CHF 11 S equivalent). Known Issues Common Concern 1: PCV (Positive Crankcase Ventilation) valve failure, leading to oil consumption or rough idle. Common Concern 2: Supercharger belt wear or failure, impacting performance. Common Concern 3: Carbon buildup on intake valves due to direct injection, requiring walnut blasting. 📚 Vehicle History Brand Heritage Brand Legacy: Audi has a long history of performance and luxury automotive engineering. Model Evolution S4 Lineage: The S4 nameplate has historically represented Audi's high-performance executive sports sedan, often featuring more powerful engines and sport-tuned chassis compared to the standard A4. Production Manufacturing Plant: Neckarsulm, Germany 🏆 Awards & Recognition Recognitions Automotive Awards: While specific awards for the 2012 model might vary, the B8 S4 was generally praised for its refined handling, powerful V6 engine, and balanced performance.