Genuine OEM Audi Pressure Converter Control Line, part number 04L131552AP. This critical line is responsible for transmitting control signals to the pressure converter, which in turn regulates components within the turbocharger system. It is located in the engine bay, connecting directly to the pressure converter. Weighing approximately 0.0171 kg and measuring 0.42 meters in length, this line is precisely formed for its specific routing. Using a genuine OEM control line ensures accurate signal transmission and resistance to engine bay conditions, which is vital for maintaining optimal turbocharger performance and emissions control.