Battlefield 3 Repack <ULTIMATE · Handbook>

: While a full Battlefield 3 Premium Edition —including all five DLCs like Back to Karkand and End Game —typically requires about 30–35 GB of storage, a repack can reduce the initial download size to roughly 50% of that through extreme compression.

Downloading a is piracy. EA still owns the intellectual property. However, the situation is nuanced: battlefield 3 repack

If you're looking to play for the multiplayer, there is a catch. EA officially began shutting down online services : While a full Battlefield 3 Premium Edition