It's a sad day for us all, well at least for me.
It appears the "white Stig" (I will not reveal his real name if you don't want to know) wanted to earn some extra money by writing a book. BBC tried to get an injunction to stop the publisher from releasing the book, but they were refused one, so the publishers realised Stig's name to the public.
And so, we will probably see another Stig die in the next series.
2003 - 2010
Don't click on those links if you don't want to know the identity if the stig