read extensivly through the forums, made a v32 dvd disk installed into dvd nav drive came back with a message that said incorrect cd/dvd, tried to eject, took a few tries but it came out, then i inserted map dvd, then the screen went black, turned car on & off, nothing. please help

2005 x3 factory dash-popup nav orig os ver. 25

any help muchly appreciated.

UPDATE:
re-burned image onto cd-r , installed into nav player, waited about 4 minutes, update screen finally popped up, took about 1min to update.
all is good.
wouldn't have the confidence to do without all the helpful contributors to this forum.