I found a shop in the states that has American and Europe car parts and filters. They are happy to do business with APO/FPO. I was tired of getting screwed by the locals for a $12 filter.http://4wheelsautoparts.com/
Maybe a good compnay; but from what I could see they ONLY have parts for BMWs!
www.rockauto.comEverything you need at good prices and ship to FPO/APO also you will recieve discount codes via e-mail that you can share.