Genuine OEM Audi Headlight Halogen Bulb Retaining Spring, part number 82A941160. This small spring is crucial for securely holding the halogen bulb in its correct position within the headlight assembly, preventing movement and ensuring consistent light output. Weighing 0.008 kg, this genuine OEM component provides the precise tension and fit required for reliable bulb retention, which is essential for maintaining proper beam pattern and road illumination.