Can't find the flashback map pack with NXE.

[airsoftinator]

I just got gears of war 2 for christmas. I saw that it comes with 5 free maps. Because gears 2 came out before the NXE dashboard the instructions to get it are not for the NXE dashboard. If anyone has any idea on how to get please tell me, I've tried everything but still can't find it. Sorry if I'm asking a previously asked question or if I'm posting in the wrong place, I'm new here.

[Get The Gun Jim]

I had the exact same problem when I tried to put the code in.

Hit the Xbox Guide button glowing thing in the middle of your controller, when the blue box comes up, hit the LB button until it gets to the final tab, and hit Redeem Code.

There ya go =)