I have a 2009 Mastiff and did the exact same thing you did. As soon as I heard BDM was gone, I got the wireplus ordered. I wasted no time getting it in.
I am going to eBay mine. I am not giving it away and hope to get in the 200 or more range.
There have been a lot of guys give their EHC to another board member. I wish I could, but the brutal reality is that I have no job and every penny counts at this point.