So got the car back, drove it around 300kms (city, b roads, highway). I’m glad I chose the S type and not the AWE touring as this one is loud enough

cold start in underground parking at the detailer kinda surprised me
It’s not too loud when cruising in normal speeds, but you can hear it, it comes alive above 3k RPM. When doing highway speeds, I didn’t notice any drone (or I might be used from my Mini which had Miltek non-resonated and downpipe).
I have the ASC on and it (IMO) nicely adds to the sound of the exhaust in those higher RPMs.
When driving with open window, it’s loud

but not obnoxious
And it pops on downshifts
So I’m very happy with the purchase! The car just needed that extra step, which it should have from the factory!