DLC Code redeem problems

[Le_drift_noob]

So I got forza 4 yesterday and tried to redeem the pennzoil dlc and the american muscle one but it said that there is a mistake or it is wrong one but it is not.Anyone know why?

[fyer]

@Mechberg

Forza Motorsport 4 DLC content has officially reached “end of life” status. This means that this content is no longer available for purchase. However, if you are an FM4 player who has already purchased this content, you will be able to re-download it.

Original post is here.