BMW is adding to the already feverish speculation about the possibility of a diesel-powered M car with
this teaser-tastic video clip of an X6 M
- but is it really an oil-burner?
BMW isn't saying a dickie-bird, other than the fact that this is 'a new chapter powered by M'. So it might be something else entirely.
Any hint of what might be under the bonnet is artfully blurred out in the video, but smart money is going on the fact that BMW is preparing the ground for an M-tweaked version of the X6 with its new tri-turbo diesel installed.
And that is surely going to prove controversial. After all, talk of an M-tweaked diesel 5-series has been tough enough for some to swallow. But an X6 diesel M? It's hard to think of anything more at odds with the original motorsport-driven philosophy of Munich's M division...