Ok thanks for the reply. I should have explained that The white line is about a cm high and has two sets of dashes at each end what look like for the time or date.

Hi I have a strange problem with my head unit on a 2005 x5. The head unit has a white bar along the bottom of the screen it occasionally shows the complete screen for a few seconds but goes blank again except for the white bar on the bottom the radio works fine just the display problem It all ...