Originally Posted by Billisme
nice. I wonder if this is a common problem? At least it's good to know you can do it yourself and not have to take it to the dealership.
This happened on my gf's 2011 BMW 328i last year. However she took it to the dealer and they did the service.
If you run the fresh air vent when you run the A/C you shouldn't have a problem, or switch to fresh air before you reach your destination.
Needless to say we are both on fresh air ventilation.