A B90 master set, which includes adaptors for just about everything under the sun (Porsche, BMW, Mercedes, etc.),
lists for about $380 (and can be found for less, I know because I have one) and looks like this:
Obviously, that is not what is in your picture. You stated you have a B90-P, which lists for around $230, and looks like this:
SIR was pushing a "bonus kit" at one time, which included the B90-P and the "horse shoe" that had a list price of $320, but also can be found for less if you look around. I think that is what you have. The “horse shoe” can also be purchased separately for about $30 (List).
Sorry to "burst your bubble" but I still think you are asking too much.......