WARNING: You can get banned
This way you can get 999M$ you need cheat engine
open Game
open CE (select asphalt proces)
Join the First game on the First season
go to CE and scan 1000(4bytes)
play the game and before finishing change the results to 100M and get back to game and finish it
REMEMBER YOU HAVE TO FINISH IN 1st PLACE OR IT WONT WORK