Battlefield 3 +4 Trainer

F12 - Trainer Activation
F1 - Super Health
F2 - Infinite Ammo
F3 - No Reload
Numpad 0 - Store Position
Numpad 2 - Teleport
Numpad 3 - Undo Teleportation

Battlefield 3 +2 Trainer

CTRL+F1 - No Reload
CTRL+F2 - Unlimited Ammo

Battlefield 3 Origin 1.09 +12 Trainer

Home - Enable Codes
F1 - Super Health
F2 - Infinite Ammo/Grenades
F3 - No Reload
F4 - Super Accuracy
F5 - Enemies Can't Shoot
F6 - Super Speed/Sprint
F7 - Rapid Fire
F8 - Super Throw
F9 - Super Reach
F10 - Super Low Gravity Jump
F11 - Bullet Time
Numpad 0 - Store Position
Numpad 2 - Teleport
Numpad 3 - Undo Teleportation

Battlefield 3 1.08 Origin +12 Trainer

Home - Enable Codes
F1 - Super Health
F2 - Infinite Ammo/Grenades
F3 - No Reload
F4 - Super Accuracy
F5 - Enemies Can't Shoot
F6 - Super Speed/Sprint
F7 - Rapid Fire
F8 - Super Throw
F9 - Super Reach
F10 - Super Low Gravity Jump
F11 - Bullet Time
Numpad 0 - Store Position
Numpad 2 - Teleport
Numpad 3 - Undo Teleportation

Battlefield 3 (Update 7) +8 Trainer

Numpad 1 - Infinite Health
Numpad 2 - No Reload
Numpad 3 - Infinite Ammo
Numpad 4 - Improved Accuracy
Numpad 5 - No Recoil
Numpad 6 - Rapid Fire
Numpad 7 - Hide HUD
Numpad 8 - Show FPS

Battlefield 3 1.07 Origin +12 Trainer

Home - Activation
F1 - Super Health
F2 - Infinite Ammo/Grenades
F3 - No Reload
F4 - Super Accuracy
F5 - Enemies Can't Shoot
F6 - Super Speed/Sprint
F7 - Rapid Fire
F8 - Super Throw
F9 - Super Reach
F10 - Super Low Gravity Jump
F11 - Bullet Time
Numpad 0 - Store Position
Numpad 2 - Teleport
Numpad 3 - Undo Teleportation

Battlefield 3 +4 Trainer

Numpad 1 - Infinite Health
Numpad 2 - Infinite Ammo/Grenades
Numpad 3 - No Reload

Battlefield 3 1.06 Origin +12 Trainer

Home - Trainer Activation
F1 - Super Health
F2 - Infinite Ammo/Grenades
F3 - No Reload
F4 - Super Accuracy
F5 - Enemies Can't Shoot
F6 - Super Speed/Sprint
F7 - Rapid Fire
F8 - Super Throw
F9 - Super Reach
F10 - Super Low Gravity Jump
F11 - Bullet Time
Numpad 0 - Store Location
Numpad 2 - Teleport
Numpad 3 - Undo Teleportation

Battlefield 3 (Update 4) +11 Trainer

Trainer Options:

Home ~ Trainer Activation
F1 ~ Super Health
F2 ~ Infinite Ammo/Grenades
F3 ~ No Reload
F4 ~ Super Accuracy
F5 ~ Enemies Can't Shoot
F6 ~ Super Speed/Sprint
F7 ~ Rapid Fire
F8 ~ Super Throw
F9 ~ Super Reach
F10 ~ Super Low Gravity Jump
Numpad 0 ~ Store Location
Numpad 2 ~ Teleport
Numpad 3 ~ Undo Teleportation