Originally Posted by F12M6MD
My 2013 M6 coupe also chirps/squeaks over certain types of bumps. Not speed bumps but quick and sharp smaller bumps. If it were to happen all the time it would sound like those taxis with 200k miles on their suspension. I don't know if it's the bushings or springs, etc. I have not yet given up my car for the time needed to diagnose. Hopefully somebody will have an answer soon.
Literally have the exact same problem, but I live in a city where roads are not so kind and I end up hearing it all the time.