i have a 98 328 manual and latley the center console with the fan ajustments on has started to go off and on by its self ? the cd player still plays and the bottom console still works and stays on at all times but you can here the fans shutting down and then back on again ? sometimes there is a faint smell like electric burning and when the fans are set to 16 it blows out hot air ?? any help would be great thanks in advance