The contact owns a 2014 BMW 528i. The contact stated that while the vehicle was parked, the contact noticed water build-up in the driver’s side headlight housing. The vehicle was taken to an independent mechanic, and the failure was confirmed. The contact was informed that the driver’s side headlight housing needed to be replaced. The vehicle was repaired; however, the failure reoccurred. The contact was advised to take the vehicle to the dealer for assistance. The contact was informed that, due to the water build-up, the damage had extended beyond the headlight housing. The vehicle was taken to the dealer; however, a diagnostic test was not performed. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 75,000.