As this issue seems to have been resolved with new drivers I'll mark this thread as solved now.
Here is the second response I got from AMD customer care:
Sorry for any troubles, but as I said before, if you need our driver team to do something, please keep reporting your memory leak issue to our driver team through the link I sent you. Yes, I have already read the forums in the link you sent me before, recently some users have already contact our customer care for this issue, but please report this issue to our driver team through below link directly. I have to say the more people to report the issue through the link I sent you, the more chance it will get to be fixed.
http://www.amdsurveys.com/se.ashx?s=5A1E27D25AD12B4F
So I guess the only thing we can do is to keep reporting the issue and hope they get around to looking at it.
Does sb try this out: http://battlelog.battlefield.com/bf4/forum/threadview/2955065219324626233/
