Okay. _THAT_ explains it. My card was issued in August 2009... So I probably had no spending at all or so resulting in my very low minimum spending amount...
Seems I just lucked out this time...

Lucky you

I wonder if you will get 3 miles per euro spend if you have plus option enabled or spend 15k+ per year and have been invited for this promotion or they limit it to max 2 miles per euro spend...