brut maps is quite old, Afaik there is not recent version. But brut n ownhere have make new version have no restsriction to use in any country.
I have also started thread abt this too
http://xdaforums.com/showthread.php?t=1429126
In ownhere as well stock map have this facility of pre cache in built
In setting - Lab - precache (select it)
Now you can pre cache map are by long pressing a point, it will pop up msg, N select pre cache. Now it will pre cache 10 sq mile area arround it.
this way you can save data.
@coolkriss
Already answered your PM too.