I know those are cover options in the pix - lol. The fact is they are not interchangeable - Daytec and BDM won't fit the other. The distance between the screws and offset is different. To the novice, a quick and dirty way to know is look at the cover - easy to spot regardless of design on the cover. Bob at BDM told me this back in 06 when I asked how to differentiate the two....
