Hi and welcome to the G8x M3/M4 forum. Here’s some past discussion:
https://g80.bimmerpost.com/forums/sh....php?t=1760810
Searching can be a little tricky. I tend to use Google, and was able to find the above thread using this search:
https://www.google.com/search?q=site...t.com+awd+when
There are some other threads there that might be worth looking at as well.