Headlight washer button?

[Loupoz]

Just bought another Touring, and it has headlight washers. Problem is i can figure out where to activate them, think i just about tried pressing/pushing/flicking everything.

So if anyone have an E30 with headlight washers, please let me know where to activate them :)

[Thujalvi]

They should activate with the windscreen washer once every few times.