What we know so far. We can win one of the cars from this thread:
We need a total of +7.1 PR from a combination of driver level. Principal level & Tuning.
Available tuning, PR requirements and some info on drivers and principals as below:
No information on how many stages this event has or if the stages open one after another or one a day yet.
Each tune awards 170 TPXP. TP Chart Updated as this reduces cumulative tunes.
Final Req PR is +7.1 and not +7.2 as stated in patch notes. Tuning chart updated.