Microsoft roday released the Fall 2013 Xbox Live Update for Xbox 360. It brings several features for Xbox Live members, chief among them the ability to buy content on Xbox 360 using local currency.
What do you need to do to get this update? The next time you log into Xbox Live, you will automatically be prompted to start the download. After that, when you go to initiate a purchase or redeem a Microsoft Points card through your Xbox 360, Microsoft will add to your Microsoft account an amount of currency equal to or greater than the Xbox Marketplace value of your Microsoft Points. Microsofvt will also continue to accept purchased Microsoft Points Cards and codes until further notice.
For more information read this FAQ on Xbox.com