Genuine OEM Audi Engine Vent Line, part number 8W1121081BE. This line is crucial for the engine's ventilation system, allowing for the controlled release of engine vapors to maintain optimal pressure and prevent harmful buildup. It is an integral component within the engine assembly. Weighing 0.048 kg and measuring 0.325 m, this line is engineered to precise specifications. Using a genuine OEM vent line ensures correct routing, material compatibility, and durability for effective long-term performance and emissions compliance.