^Agreed with mD. Most of us are overly attached to our E53 and occasionally have the same bad thoughts =>
https://xoutpost.com/bmw-sav-forums/...-thoughts.html
Our 2004 E53 just crossed 150,000 miles and still runs/drives perfectly. Just saw a couple drops of fluid in the driveway over the weekend near the front passenger side tire...needs some more investigation. It didn't needed much (other than basic maintenance) over the past 5 years. But the occasional unpleasant thoughts still lingers...