You're bidding on a used OEM BMW smart key,the emergency key is cut,you might need to get a new one,it has been tested and shown in good working order,it comes with a working battery,there might be M stripe on the side.
It's the buyer's responsibility to figure out the programming of this used remote,please be noted,the BMW dealers will NOT reprogram it for you,and it's NOT self-programmable,
please buy only if you know exactly what to do with this remote,it might be just good for parts