Audi A6 Quattro repeated low beam headlight burn out issue, possibly due to moisture in housing on Audi A6 Quattro

Some Audi A6 Quattro owners report experiencing repeated low beam headlight burnout, which may be attributed to moisture in the headlight housing. This moisture can lead to frequent bulb failures as the vented headlight housings allow air—and potentially moisture—to enter. Owners also note that issues such as improper sealing or venting can exacerbate this problem. Additionally, repeated burnouts may signal underlying issues like voltage irregularities or improper installation. It's crucial for owners to ensure that the headlight assembly is securely mounted to avoid excessive vibrations that could damage the bulb filament. If the problem persists after bulb replacement, seeking a professional inspection of the headlight housing for moisture-related issues or other causes is recommended to prevent future burnouts.