Battlefield-Hardline Code (used)

Hello Guys,


am searching for a Battlefield Hardline Code (can be used, or you could change the digits)

I just want to know the pattern, if it contains only letters or letters + numbers..

Is it a 4x4 Code or a 5x5 etc..

Thanks!

Best Regards, DostMaster

bump

i have only the upgrade item event nothing else......

PUsh