headlight

Hello, everyone. I have a beautiful N15 with headlight wipers. They are unfortunately quite old and overdue for a replacement. However, I have been unable to find anywhere at all which sells replacements, and I was hoping that someone on here might be able to help. Perhaps I am just searching...

I can't link my imgur album, so I attached the pics. On the last image it can be seen the left lamp projects really nice. It seems half of my right headlight is blocked by a metal part inside the housing. It is a fixed part in it and it seems it was manufactured this way, but I feel something...