I totally understand your initial statement though. Trust me, I know how my car looks. Most of the M3 mods were done between 2008 - 2010. I am a little older now and regret having modded my 325 to look like an m3. The money has been spent though, and the oem parts have been sold. It's one of those you live and you learn kind of things. You can't really tell a kid who wants to make his car look cool anything when he's 18. As for the rear fenders... I'm just tired of my tires still rubbing and not being able to have people sit in my back seat.
If there is any one BMW I'd consider to buy it would be a e39 M5. I absolutely love that car!