How to burn android image to BPI-M3 EMMC

I get something like (WinXP): card preparation failed, error code !1251.
The card is 8Gb and worked in my cell phone.
I have no clue why they don't test their procedures, reminds me of a garage company from the seventies, they still sell their apples because they have improved so much over the years. Other companies just vanish, because they don't improve...