Lets start some controversy.
The artificial sound that bmw is producing in some models through the speakers, m5, 640d gran coupe,M550d, etc.. is just a piece of software right?
if so, it may be possible to retrofit other models or not?
Gonna be bashed by the petrol guys, but what do you dieselheads have to say?
see at 3,15min
see at 30 sec
I think i would go for it....