GS Carbon helmet - New Visors??

Hi all,
I'm in need of a new visor for my GS Carbon helmet (as the securing lug just snapped off mine when removing it, not a great design).
Does anyone know if BMW sell replacement ones or if aftermarket ones are available?
Dont want anything fancy, just a clear visor with the pinlock.

TIA

Apologies for slight hijack, but are you happy with the lid otherwise? I’m thinking of getting one to replace my ageing Arai Tour X3, would appreciate your thoughts - fragile visors aside.