Yeah I saw that too, but the roadster solutions one looks identical. Maybe they fixed some of BMW's issues? The one on Amazon is genuine BMW (I've had a look and for some reason was only offered to USA). Like a cupholder they also offer but haven't seen (here in the UK) at least.
BMWZ4cup.jpg
https://www.realoem.com/bmw/enUS/showparts?id=BU33-USA---E85-BMW-Z4 3.0i&diagId=03_1796