Need help to identify a part.
 

So im taking the whole front of my audi a4 b6 cvt and i just found out i have to take off 2 more things. So i pulled out and it has kind of oil. Its connected to the radiator. I did not see this on my quattro when i did the timing belt. I wonder what it is??
http://img252.imageshack.us/img252/4648/1002333j.th.jpg
http://img809.imageshack.us/img809/218/1002334i.th.jpg
http://img809.imageshack.us/img809/9339/1002337d.th.jpg
http://img16.imageshack.us/img16/6826/1002338xc.th.jpg
http://img801.imageshack.us/img801/9918/1002339.th.jpg
http://img577.imageshack.us/img577/468/1002336u.th.jpg

perhaps trans cooler line?

It looks like it is coming from transmission but i cant clearly see it. I have to lift the car up.