Thanks for the comments.
ColdFlame, you're right. I fixed it.
Nik, too much British car on last projects. I'll be back there for sure, DB9 will not stay unfinished.
Erik_S, thanks !
blindacideye, I think you're right, I'll double check that.
pedro.malheiro, thanks ! More is below
janusz_the_maker, thanks !
Here's an update.
edit : bugfix on the Lamborghini rear logo.