So I have a window regulator that failed on me and I put a bit of cardboard in the window to hold it up until the part comes in. We had heavy rain last night and I noticed that the cardboard was actually fairly saturated. I didn't notice any water inside the car, but it doesn't mean it's not down inside the door. Below are some photos I took of the trim that is falling apart... thoughts on trying to repair this? Could this be why the cardboard was saturated? Sadly all my windows have this issue with the trim.

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05' Land Rover LR3
06' E53 X5 3.0i
07' X3 3.0si
08' X3 3.0si
17' Interceptor 3.7 AWD Sedan