Audi, A7 Common Issues

Oil Leaks (30-40%)
Faulty Mass Airflow Sensors (20-30%)
Engine Timing Chain Tensioner Failure (15-25%)
Transmission Problems (12-20%)
Rear Main Seal Leaks (10-18%)
Coolant Leaks (8-15%)
Fuel Pump Failure (7-14%)
Faulty Oxygen Sensors (6-13%)
Ignition Coil Pack Failure (5-12%)
Automatic Headlight Dimmer Switch Malfunction (4-11%)
Door Handle Mechanism Failure (3-9%)
Wiper Motor Issues (2-8%)
Brake Light Switch Malfunction (2-7%)
Rear Differential Bearing Failure (1.5-6%)
Electronic Stability Control (ESC) System Malfunctions (1-5%)
Tire Pressure Monitoring System (TPMS) Sensor Failures (0.5-4%)
Fuel Level Sender Unit Failure (0.3-3%)
Sunroof Drainage Issues (0.2-2%)
Central Locking System Malfunction (0.1-1%)
Heated Steering Wheel Malfunctions (0.1-1%)