Water and Oil leak



This week i noticed a slight smell of oil in the cabin so today i took the engine cover off to have a look and i noticed that the "U" shaped oil feed pipe to the small turbo has a very slight leak...is this common and is it an easy fix?( i noticed the pipe is crimped where is attaches at either end) I also have a very small water leak at the front of the engine (top) from a component ( i don't know what it is) that has two 10 mill bolts securing it to its housing (looks like a very small thermostat housing in shape) but the bolts are inaccessible...oh mine is a 2007 335d.any idea what this will be? Thanks in advance...I posted this originally in a different section as i hadn't discovered this bit for the M57 and N57