Originally Posted by elp_jc
Sounds just like a main bearing man; sorry for the bad news. You should be able to easily reproduce it by revving the engine between idle and 1,500 rpm, as reported on other threads. Here are other 2 YouTube videos so you can hear how to reproduce it:
I can't reproduce it by revving between idle and 1,500 rpm. The car's still in warranty so I will be speaking to the dealer.