Hi everyone i have a 2001 740 IL the other day i had a new amp put in for a little more bass then a week later the nav screen is blank and the music cuts out after like 2 min.
i tired to reinstall the software V.28 but no luck it jsut ejects the cd after a few min
i have mk3 navcpu
is the cpu dead or do i need to reinstall the software a differnt way