I would like to know these pipes are in the engine bay as one is leaking oil.
I cant access RAVE atm but I wondered if you could help diagnose it please.
Pics Below
Any ideas what this connects to and/or why its leaking.
They're the engine oil cooler pipes. There's lots of threads on here (search) about these leaking through old age. The good news is they don't have a reputation for blowing off but can involve replacing the oil cooler as well as the pipes if you fix it the 'proper' way. I've put a cheap and cheerful method up in the 'how to' section. Mine are still fine after doing this last year, 30k miles and not a drip.
RAVE is available free off the interweb; download it - it is very informative and having it side steps a usual line of **** take.
Mmmmm, looking agian you could be right, the metal parts of the hoses don't look that damp. It's hard to see the filter housing. Best to deploy a Mk 1 eye ball with a rub round with a rag to clean up. If it is the filter housing it could be the big O ring in the cap not being well sized. See this thread for a suggested solution; http://www.landyzone.co.uk/lz/f10/p38-diesel-247156-3.html