I would like to see some newer Benz Amg cars like:
E63 / C63 / S63 2017 series
Or a M performance car pack with:
M2 competition, m3 cs , m4cs , m5 competition and to be able to put some m performance parts on the normal bmws 
Audi RS3 hatchback / sedan from 2017
Ttrs clubsport
S3 clubsport
Ferarri 812 superfast
Mclaren 675 LT
Aston Vantage GT8