The sunroof in my car exploded yesterday morning as I was driving in clear weather on the open freeway. There were no other vehicles or other obstacles near the car when the incident occurred; nothing to "throw up" a rock onto the car and cause the damage as BMW says occurs often in situations like this. When the sunroof blew out, it sounded like a gun went off in my car, My dad and I were was showered with glass, and the impact was so strong it made a dent on the roof of my car.