Bulb gone on Dashboard

Hi can anybody help. I have a 1997 Z3 2.8. The bulb which lights up the digital milage readout has blowb. Does anybody know how easy it is to replace and if so how to replace it ??:rolleyes:

:) I have the same problem with my 1989 525. If you have found and fixed the problem with the milage readout bulb, please let me know what to do. thanx.