Very nice bit of kit Andrew mate. Sorry to hear about the rattles.
I think it looks very special, what's the list price on them? 200k+ certainly lookalike a 200k car.
At Silverstone for the GP last year, the safety car was nailing it around followed by the C63 estate medical car and the C63 was louder which I thought was strange.
.... But I now have a M3 CS