Tanki Online and TankiX are built to be totally different games, things like upgrade mechanics and supplyies(modules) are totally different and can't be transferred anyways. The games are meant to be separate and you will just have to start from the beginning.
This was suggested multiple times before and the developers made it clear that we'll never be able to transfer accounts from TO.
Tanki X is not the same as Tanki Online and (like Gpo said) lots of things are totally different, including upgrade mechanics, modules and economy, among other features.
who will leave his tank and rank to start again its alife
Many have already done so.
Customer support service by UserEcho