Engine Diagram/Parts Identifier
 

I know nothing about my wifes mini (2010 Clubman) and am having a problem identifying an object that appears to have a leaking seal or gasket. It is on the upper driver's end of the engine above the oil filter. If anyone knows what it is please give me a name for it so I can get what I need to fix it. Also would like to know where there is a good parts diagram for minis. Thanks.