Why didn't I get the bonus maps when I pre-ordered Battlefield 3?

I know that if you pre-order battlefield 3, you get a free map pack, but I never got it. Can anyone help me out?Why didn't I get the bonus maps when I pre-ordered Battlefield 3?
You will be able to dowload it for free when it will hit the stores later this year. $14,99.Why didn't I get the bonus maps when I pre-ordered Battlefield 3?
you can get it when it comes outWhy didn't I get the bonus maps when I pre-ordered Battlefield 3?
It's not released yet. When it is, you get it free.

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