Sounds like everybody has been out changing the pollen filter, did mine to day according to service record it had been done every other service , like hell it had it was black as the ace of spades and totaly blocked, and the difference in the air coming through the vent is unbeleavable can feel it now on your face ;) , Had to loosen wiper mech on mine as it wouldn't come past motor but only added 10mins to job all done in about 20mins :D Ghia X 1999 V reg 1.9 tdi