Looking for some surface blend inconsistencies and artifacts, but didn't see any. Very nice technique-- you should put together a video tutorial. Seems more *exact* than typical car SubD. Thanks for sharing. :-)
It's now time for a new great present for this forum, I give you this Audi A7 Model with all step lines saved in the style-browser. All parts are modeled in MoI, but I think a rebuild it's only for advanced users.