Missing wheel centres

[Ian-io7ot]

Hi has anyone have spare wheel centres for 14" or 15" wheels. When I bought the they were missing & the dash lights are very dim is there a dimmer switch fitted on a 350i 1984 . My car came with 2 14" & 2 15" wheels & I have one centre for the 15" wheels.
Ian

[Ian-io7ot]

The hole in the 15" is smaller than the14" wheel

[Ian-io7ot]

I will have a look when I am removing the facia to refinish it .I have no idea were the dimmer switch is mounted

[Ian-io7ot]

I will have a look when I am removing the facia to refinish it .I have no idea were the dimmer switch is mounted