I have taken my X5 in twice to dealer service to try to mitigate constant leak to both sides of the rear of transmission console. They keep insisting it is the sunroof drain(s). then i get in the car -- on a sunny day, drive a few blocks and the water pours onto the rear seat floor carpet. On a long drive it can leak more than a gallon on each side (slosh/slosh). It perhaps obviously is related to AC -- how can I get service group to focus on the right solution for m 3rd visit? Thanks