Sure the test transmissions thus far (one in Feb, two this month that I've logged) have been Biss2-CA 2610 with a crypto period ~29 seconds before swapping odd/even key. Who knows what the prevalent mode will be if/when widely deployed... it might be one of the static modes with caid 2602.
RBT *can* be used for rolling keys if padding is seen inside a crypto period, and the lookup is fast enough (v2 was designed thus). But it's still hopeless here on account of key size, so impossible storage requirements and timescales.
@thefatty it's irrelevant whether biss or biss-e, nett result is the same fixed key (same goes for biss2-1 or biss2-e). There's no way of knowing which static mode is in use, unless you are the bloke in the OB van tasked with injecting the key.