🏷️ Basic Information Identification Make: Audi Model: A4 Model Generation: B7 (Typ 8E/8H) Model Year: 2005 Codes Chassis Code: Typ 8E/8H Engine Code Designator: Commonly found on VIN plate and engine block, e.g., BFB, ALT, AWA, AMB for gasoline; BGW, BLB, BPW for diesel. 👋 Introduction Market Position Market Position: The Audi A4 B7 generation represented a significant evolution in Audi's premium compact executive segment, competing directly with rivals like the BMW 3 Series and Mercedes-Benz C-Class. It offered a blend of sophisticated styling, refined interiors, and engaging driving dynamics. Competitive Analysis Competitive Analysis: The B7 A4 maintained Audi's Quattro all-wheel-drive dominance, refined its 'Pro-line' chassis for improved handling, and offered a range of potent FSI (Fuel Stratified Injection) and TDI engines, enhancing its appeal against key competitors known for performance and luxury. Key Features Key Features: Distinctive Audi design language, optional Quattro AWD, advanced FSI gasoline engines, common-rail TDI diesel engines, sophisticated interior materials, and a focus on driver engagement. 📋 Manual Details Coverage Areas Coverage Areas: Comprehensive repair, maintenance, and troubleshooting for all major systems of the 2005 Audi A4. Page Count Page Count: N/A (Digital PDF format, actual page count can vary based on PDF reader scaling, but is typically equivalent to hundreds of printed pages for a full workshop manual). Manual Type Manual Type: Workshop Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Systems Covered: Engine mechanical, engine management (ECU), fuel system, ignition system, exhaust system, cooling system, lubrication system, transmission (manual & automatic), drivetrain, suspension, steering, brakes (ABS/ESP), climate control (HVAC), electrical system (wiring diagrams, components), body and chassis, interior systems, safety systems (airbags, seatbelts). Procedures Included Procedures Included: Routine maintenance, scheduled services, diagnostic procedures, troubleshooting guides, repair procedures for all major components, component removal and installation, adjustments, specifications, torque values, wiring diagrams, component testing, alignment procedures. Technical Depth Technical Depth: In-depth, professional-level coverage suitable for DIY mechanics and professional technicians. Includes detailed diagrams, schematics, and step-by-step instructions for complex repairs and diagnostics. 📊 Manual Specifications File Format File Format: Portable Document Format (PDF) Print Quality Print Quality: High-resolution, suitable for clear printing of text and diagrams. Achieves parity with original factory service manuals when printed. Binding Type Binding Type: N/A (Digital Download - no physical binding) Paper Type Paper Type: N/A (Digital Download - no physical paper) ⚙️ Engine Specifications Primary Engine Primary Engine Gasoline Options: 2.0 TFSI (170-200 hp), 3.0 V6 FSI (217 hp), 4.2 V8 FSI (S4 variant - 340 hp). Key engine codes for 2.0 TFSI include BGB, BPG, BWE, BWT. 3.0 V6 FSI is often designated AVK, BBK. Earlier models might retain older engines like 1.8T AWM, AMB. Primary Engine Diesel Options: 1.9 TDI (115 hp), 2.0 TDI (140 hp), 2.7 TDI (180 hp), 3.0 TDI (204-233 hp). Common diesel engine codes include BGW, BLB, BPW for 2.0 TDI. 1.9 TDI: AVQ, BRB. 2.7 TDI: BPP, BSG. Performance Typical Horsepower Range: 115 hp (1.9 TDI) to 340 hp (4.2 V8 FSI S4) Typical Torque Range: 235 Nm (1.9 TDI) to 410 Nm (3.0 TDI) and 410 Nm (4.2 V8 FSI) Fuel System Fuel System Gasoline: Direct injection (FSI) and multi-point injection (MPI) depending on engine variant. Turbocharged direct injection (TFSI) systems are common. Fuel System Diesel: Common rail direct injection (TDI) with piezoelectric injectors. 🔧 Transmission Standard Standard Transmission: 6-speed manual transmission (e.g., GGU, GRF). Optional Optional Transmission: 6-speed Tiptronic automatic transmission with manual shifting mode (e.g., GZH, HBS). Continuously Variable Transmission (CVT) Multitronic (e.g., HFG) was also available on certain front-wheel-drive models. Features Transmission Features: Quattro all-wheel-drive system (standard on many variants, optional on others). Self-adjusting clutch (SAC) on manual transmissions. Torque converter lock-up for improved efficiency in Tiptronic. 📐 Dimensions Exterior Exterior Dimensions Lwh: Approx. 4586mm x 1772mm x 1423mm (Sedan); Approx. 4586mm x 1772mm x 1420mm (Avant - Wagon). Wheelbase: 2648mm. Interior Interior Seating Capacity: 5 occupants. Cargo Cargo Volume Sedan: Approx. 460 liters (16.2 cu ft) Cargo Volume Avant: Approx. 480 liters (16.9 cu ft) to 1340 liters (47.3 cu ft) with rear seats folded. Weights Curb Weight Range: Approx. 1400 kg to 1750 kg, depending on engine and drivetrain. 🛡️ Safety Features Ratings NHTSA Front Impact Rating: Likely 4-star or 5-star, based on typical Audi safety performance of the era. (Specific year ratings may vary, consult official NHTSA records for precise data.) IIHS Moderate Overlap Front: Likely 'Good' rating. (Specific year ratings may vary, consult official IIHS records for precise data.) Active Features Active Safety Features: Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (ASR/EDL), Electronic Brake-force Distribution (EBD), Brake Assist (BA). Passive Features Passive Safety Features: Front airbags (driver/passenger), side airbags, curtain airbags (front and rear), active front head restraints, three-point seatbelts with pre-tensioners, child seat ISOFIX anchor points. 💡 Technology Features Infotainment Infotainment...