MAV has custom shower... rain water leak @ map lights and sunroof switch

[MrCigar]

@MrCigar I have exactly the same issue you described. And it happened for the first time today after I left the car outside and it was raining like crazy here in north California. What was the root cause and solution the dealership fixed?

Dealership went through everything, blew air down the drain tubes, checked all the seals, ran through high Pressure water testing and it has not occurred again.

They believe it was a clogged tube.

I am of the opinion it may be that as well and the high amount of water we had at that storm was too much for the tube on the other side to handle and it basically “overflowed” into the molded plastic area that sits on top of the headliner around the sunroof.

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