2005 bmw x3 2.5- A/C problem

Now that my resivoir tank is fixed Im looking for advice on another issue I am having.

My a/c is not blowing that cold of air. the 2 vents on the drivers side seem to be colder than the passenger side vents. I would say the passenger side vents are almost warm air coming from them.

when the a/c is on there seems to be a strange high pitch noise as well.

any advice is greatly appreciated.