Been trolling the latest BMW systems and have found 100% confirmation that these new colours will appear on the G30 sometime in the not to distant future.
BMW Part numbers for G30 exclusive parts in these colours already exist.
Some colours may be
F90 M5 exclusive.
New colours not available yet but confirmed for G30:
1) Singapore Grey (B41) ( M5 Exclusive ??)
2) Moonlight Silver (B66)
3) Platinum Silver (C08)
4) Snapper Rocks Blue (C1G)
5) Marina Bay Blue (C1K)
6) Royal Burgundy Red (C25)
7) Donington Grey (C28) (M5 exclusive ??)
8) Jucaro Beige (C2S)