Eeehmmm, I am not the guy with most knowledge. MY car also "told" me that I had issues with the O2 sensors etc.
This happened after an oil change etc. where it was necessary to get the engine cover off.
Now driving back home, the check engine light came on and we read the codes.
Hmmmm, driving home anyways.
At home I took a look and spoke with a colleguae who had something similar with his BMW Z4 and told me it was some "false air" getting into the system somehwere and it made "click" on me.
I took the engine cover off and noticed it wasn't sitting properly on the throttle housing (!).
Replacing, checking and driving a while -> issue gone.

Alwin