pmptwst17

Ok so i order my motor from this company motor comes in no ecu....so i call them and have one shipped....end up waiting almost 3 weeks and it gets here with no stickers that say p30 or jack on it at all... and on the top it says b18c...i ordered a b16....is there anyway to find out what kind of ecu i have with out the sticker on the side please help someone