So, a little background. I have a 1999 e46 323i with about 183k miles on it. Oil changes by the dealership every 15k is miles (Based off the clock on the dash), driven mostly city/suburbs with an occasional jaunt down a twisty canyon road. About 2 months ago or so I noticed a yellow oil light occasionally coming on. I did the research and talked with BMW techs and found out this is just an oil level warning, so I make sure to keep an eye on my oil level. Today, I drove to work no issues. Drove home for lunch, again, no issues. When I started the car up to head back to work, it sounded like it was tearing itself apart from the inside. It was a very noticeable rubbing noise (not so much grinding, more metallic rubbing), so I shut her down and jumped on the bike to head to work. I intend to take a closer look in the morning when there is daylight available (I work a swing shift, so lunch is at 10ish pm). Just curious if anybody else has run across an issue similar to this.