BMW Enduro helmet visor blowing up

[popipants]

There have been a lot said about the visor blowing up on BMW helmets.

Some said they fixed it with a rubber washer of some kind.
Can anybody clarify how the solution works?

 

[shark_za]

 

[Renier]

 

[skillie]

 

[popipants]

 

[sillystunt]