Good opportunity for those who want to access the extra contents of Battlefield 1: EA has in fact announced that, for a limited period of time, you have the opportunity to redeem for free the Premium Pass, without spending a single penny.
The promotion period runs from September 11th to September 18th: by redeeming the Pass, you will have access to They Shall Not Pass expansions, In the Name of the Tsar, Turning Tides and Apocalypse.

Therefore, if you want to take advantage of the offer, we recommend that you mark the dates on the calendar.
Battlefield 1, set during the Great War, is available on PC, PS4 and Xbox One.

Source: GameSpot