S!
I have the Nürburgring package too and a lot more. Seems the first owner was after luxury too

Factory installed Webasto, lot of leather etc. Shame that at some point the original rear window dash with electric sunscreen has gone missing and was replaced by some audiodeck

Frantically trying to find a black(anthrazit) rear window dash now with the sunscreen in place..all the wirings are luckily there though!
What also bothers me is why on earth must people mess with the wirings?! Took me a week to find the original audio wirings, most of them were intact but you can guess that missing are: amplifier from luggage compartment, BMW Bavaria Professional C player etc. GAAH! Friend of mine had a similar amplifier stored so saved by that! Now the hunt for the wiring behind the dashboard for the radio..
And oh man does that S38B38 roar when putting it thru the paces. It is sheer joy and you need no audio system for that

I am more than lucky to have the engine and transmission etc. intact, it has been taken care of over the years. Only some rust to get rid of and Beast is good to go
Some day..to Germany in my M5 and to see the Bf109G-6 or G-10 flying..oh man