I have a can of 1z Klima Cleaner foam and have been told it's much better to apply it to the evaporator directly instead of through the vents. I have seen a guide on how to do it on a MK6 removing the pollen filter to get to it. Mine looks a little different, I cannot see where to put the tube as I cannot see the evaporator. Anyone done this? I have used the Autoglym aerosol system, but still get that initial bad smell through the vents when the blower is first switched on. I don't want to waste the can of Klima just spraying it into the vents.