BMW Cedar Isle Auto negligence has damaged my car.

BMW Cedar Isle Auto decided to take our vehicle out in a massive hail storm and have now tried to return it with extensive hail damage. They say that it was not hailing when they went out. Despite the fact that the sky was pitch black and the winds were pumping. There were weather warnings across haute get even in KZN about the storms forecast for JHB. They say it's my problem &amp