As asid above there are numerous threads on water leak problems. It could be sunroof drains clogged, sunroof surround seal letting more water through than the drainage system can handle, front or rear door vapor barrier letting go and letting water seep into the cabin past the door panel, etc.

I'd search up those threads and use the info to isolate the source of the water ingress, using a hose to find it. Once isolated I/we can tell you the solution, but you will still need to dry out the carpet from underneath as it holds more water than a chamois sponge and can't be dried from the top.

__________________
"When you do things right, people won't be sure you've done anything at all" (Bender, futurama)

You make something idiotproof, they'll make a better idiot

You think professional is expensive, just wait until you pay for amateur.

Never let your sense of morals prevent you from doing what is right.

Examine what is said, not who speaks.

X5 pics

RIP 4.6is.....

2003 4.6is