Originally Posted by CFZ

Its kinda hard to tell from the first videos, but if it is that constant rattling noise you should take a look at your pillowball mounts. I have have owned several sets of coils on my other vehicles, and when the pillow ball upper mounts wear out they will make that exact same noise. You should check to see any play in them not only fore and aft but also up and down.

It may be loose.