There's been a resurgence in players coming back to this as they get hyped up for BF 2042, the release of which is still four months away. Probably included in your EA Access subs, but this is a great price if you don't have that. £35-40 from some of the big name retailers!
Battlefield 4 Premium Edition Xbox One (UK) includes:
Battlefield 4 premium membership
5 Digital expansion packs with all maps