The contact owns a 2025 BMW X5. The contact stated while driving at approximately 35 MPH, the blind spot warning light was inoperable, and the Forward Collision Avoidance assist sensor warning light was deactivated on the instrument cluster. The contact had taken the vehicle to the dealer, where it was diagnosed and determined that the electrical system and harness had failed and needed to be replaced. The vehicle was repaired. The contact stated that the Lane Keep Assist System was inoperable. The contact had taken the vehicle back to the same dealer. The vehicle was not diagnosed or repaired. The manufacturer was informed of the failure. The failure mileage was approximately 80.