Using:
We unpack the downloaded archive to any place convenient for you.
We start the game, then trainer and press the keys of interest.
Trainer functions:
Battlefield 3: Trainer (+5) [Rip Mechanics] {LIRW / GHL} Free Download
[1] Endless life.
[2] Infinite Ammo.
[3] No reloading weapons.
[4] Weapon Accuracy.
[5] No weapon recoil.