MINI Oil Filter Housing Seals for all generation 2 Cooper S motors! If your replacing your turbo oil line cause it is leaking really badly, you might need this one also.  The whole area gets so hot that it changes the seals shape and it starts to leak.  It's a cheap seal that is great to have on hand when you need it. Cause you not going to be able to just run down your parts store and just pick one up.