Quote:
Originally Posted by tntp
I also got the musty smell from the AC vent just after year 1, but the dealer told me not to put the AC in Automatic re-circulation mode. I guess this mode automatically closes the vent when engine off while the vent is still cold, thus the water condense a little in the vent and create moldy smell. With the mode off, the water vapor can escape to the outside environment and keep the vent dry faster. No musty smell after 2-3 years now.
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Thank you...great tip! I was getting some pretty bad mustiness in my ‘18 X5 until I turned off both AC modes (e.g., no lights on). Smell is gone and I’m using my AC at will with no issues.