looks like Mission Performance has found a solution to unlock 2021 ECUs
https://g20.bimmerpost.com/forums/showthread.php?s=2c087a7e8c8d398223e73422cac8087c&t=1834548
from what ive read, besides the CF pieces on the 600 units.. doesnt seem like theres going to be that many changes from 2021 to 2022 ... Should I go ahead and get a 2021 or wait for 2022?... main issue i have is I want a turbulence gray and dealers are marking up the ones they have.