Originally Posted by Bimmer305
I think it may fix the problem.
I just got a new DME which it most have the latest firmware, and I have no rattle at all now. I don't if it because I have the stock downpipes on or not but but the rattle is gone.
I'll be installing back my cat-less dowpipes sometime next week and see if rattle comes back.
Interesting. $400 might be worth an updated DME and no "normal rattle". I don't have the wastegate fail rattle but updating the DME to prevent it might be a good idea.