According the the pdf factsheet linked in this thread they were just existing pieces in new colors. So the transparent parts for the lights and I imagine LEGO doesn't sell technic in Bugatti Blue.
[1] https://shop.lego.com/en-ES/Bugatti-Chiron-42083 [2] https://ali1994.brickowl.com/store/lego-technic-cross-block-...