Ooops! Sorry I totally didn't realize I had this message from you. Never sent me a notification.
Honestly I'm not really an expert so I have no idea where that would be on an N42 E46 engine, but after doing some research, it looks like it might be #9 on this diagram
http://realoem.com/bmw/showparts.do?model=AY71&mospid=47632&btnr=17_0214&hg=17&fg=05
Honestly I'm not really an expert so I have no idea where that would be on an N42 E46 engine, but after doing some research, it looks like it might be #9 on this diagram
http://realoem.com/bmw/showparts.do?model=AY71&mospid=47632&btnr=17_0214&hg=17&fg=05