Not an issue, matey. I only know because I went into my mirror repair many years ago with the same thought that the painted back must come off.

On the positive side your comment made me look at my old 'how to' to confirm my memory, and realise the photos had vanished. 
luckily, being a bit of a packrat, I had kept the nightfire red mirror ( never know when that will come in handy!), so I was able to make new how to pics to complete the old 'how to'. 

Read More...