Hello, I used my 400 Bj 2001 with rainwater in the footroom of the passenger side. (Only in rain so runs somewhere from outside) At first that was so much that I could have opened the windows and it would not have run in less water. I already isolated the air filter box the sealing rubber on both sides with Sikaflex. But there is water running out of the black box behind the ashtray in the footroom. My questions: Which component is this, is it something like a heat exchanger and where is the connection to the engine compartment or where could the water run into the component. Hope you can give me a tip before I expand the dashboard. LG G_MasterGE