Apparently this is now available to premium members.
Here’s what’s on deck for owners of Battlefield™ Hardline: Betrayal…
Four intricate maps: Alcatraz, Cemetery, Chinatown, and Thin Ice
7 new weapons
2 new vehicles
Customize primary weapons and uniforms with the Gun Bench Super Feature, and test them at the Gun Range
New Assignments and Legendary weapon camos
In addition, all users will receive a base game update that includes 11 new weapons and new server presets. After the update, every Gold Battlepack you open may also contain a weapon license voucher – a Distinguished class item that unlocks an entire weapon license. Check the forums when the update is released for our official patch notes to learn all about the stability and usability improvements that will be included in this upcoming release.