I'm changing the engine cover tomorrow so I'll take some pics of the location I've put the can and routed the hoses etc
For those with an S3, I haven't done full instructions as the ones on here / BSH ones suffice, but here are some of the things I noted doing it in my car:http://audi-sport.net/vb/showpost.php?p=815178&postcount=12Any other questions let me know.
apologies mate, afraid I shoe horned it in!