.. leak ?

[ryana89]

Could be where the oil cooler attaches on to the oil filter housing/holder? I know it's just a rubber gasket between the two, and when I changed mine out I found it was stiff as...

Sorry, but do MK3 CL's use an external oil cooler?
I dont think Sam has one on his/her car from the picture's

how much am i looking at either way ?

Ummm, a new oil filter or replace the gasket between the block and oil holder housing.

It'd take you all of 20 minutes to replace the oil filter (oil too naturally), if the leak stops, hooray, if not, well you know where it's coming from then.