Here the adventure of my new black card.
DUB: How nice, 1st time I see one, welcome.
ZRH (Schengen): Confusion, quick chat between the ladies in German followed by the question, "oh I know BMI got purchased by LH, is this equivalent to our HON cards? If so, you might want to go over to the First lounge.". After I swapped to German all no problem and I was admitted to the Senator Lounge.
CDG (Check in Counter): Oh, I better give you an invitation card for the Star Lounge, because they might not know that card yet.
ZRH (Non Schengen): No confusion at all, a quick entering of my details into their check in tool and a friendly please use the left side (Senator) unless you need a PC.
Let's see what happens next week in strange places like YYZ/ORD.