Here's a pretty good article on the G05 off-road capabilities. They're testing xLine models with off-road package and 21" wheels LOL.
Of note:
"The wading depth is just over 21 inches and there's a water passage identification system that closes your grill and maintains ride height to minimize the possibility of water damage to the engine and electronics."
https://ridesanddrives.com/2018/10/1...x5-xdrive-40i/