Originally Posted by red_wagen What he said^ Common problem among bimmers. One cure is to replace the filters or you can spray Lysol while the AC is on at the vent intake. i don't suggest putting lysol spray while the ac is on at the vent intake, actually, lalong mangangamoy. magaamoy suka. there is a mold killer spray available in the market today. i just forgot the brand, but i've seen some at Ace Hardware.