From the pictures, this looks very hard to get to, especially the CCV side of the connection. Do you need really small hands to get to it?
I had an intermittant idle and low rpm power loss problem several weeks ago, but with no codes or CEL. Could a cracked lower hose cause that?
Did you leak oil before you fixed it?
2003 E39 M5 Lemans Blue: The most amazing car ever built
1999 E46 328i Bone stock 5-speed: Soon to be track rat
235K and still running strong