why does water leak on the floor on the passenger side when the ac is turned on?

What is your question?

When I turn on my air conditioning, water leaks on the passenger side on he floor. I am trying to figured out why. Is there a blockage somewhere? What cause the water to leak on the floor when driving and ac is turned on.

What makes this problem better or worse?

When ac is turned on.

How long has your 2011 BMW 750Li had this problem?

A few weeks