Originally Posted by jzchen
Oil filter housing looks the same to me. Do you have an overheating problem?
I use to but not anymore, I've changed out a few things since then (radiator/ coolant flush, oil change, checked the thermostat etc.) The oil filter housing on n54/55s have an extra bolt on the housing that's up top, the housing also looks slightly bigger also. If you look at it on a top view, there are two housing drain plugs on the top instead of just one