I was doing YUL - ICN with a connection in YYZ on 2018-12-27. I did have BCNX on my boarding pass but the personal doing my check in was very confused about that mention on my boarding pass. She asked 2 of her coworkers next to her, then asked the concierge, then called in somewhere. The whole thing took about 10 minutes and said it was a new service with BMW connection.

Once I walked off the planed in YYZ, someone was holding a tablet with my name on it. They guided me to the car, where someone else drove me to the international gates, which was 2 steps away from the signature lounge. It's pretty cool to be driven on the tarmac.

Having known this in advance, I would have booked a longer connection in YYZ to have time to enjoy a full meal at the signature lounge. I only had about one hour so I only got food from the buffet, which was nice.

Bad photo, but this was the car, as I got off.