K kieran160 Registered User Messages 68 18 May 2010 #1 i have a 2004 3 series and lately there has been a very bad smell coming from the air vents, the smell is not as bad if the air con is switched on. any suggestions on what the cause may be and how to fix it? thanks in advance
i have a 2004 3 series and lately there has been a very bad smell coming from the air vents, the smell is not as bad if the air con is switched on. any suggestions on what the cause may be and how to fix it? thanks in advance
G Guest125 Guest 18 May 2010 #2 Is the coolant level ok? It could be the heater matrix leaking into the heating ducts. It usually smells like pee very disgusting smell.
Is the coolant level ok? It could be the heater matrix leaking into the heating ducts. It usually smells like pee very disgusting smell.
F Frank Registered User Messages 1,843 19 May 2010 #3 check the pollen filter normally just below the windscreen under some covers. Maybe a critter got in somewhere and died and the smell is being stirred. Make sure the drains under the windscreen are not blocked trapping stale water.
check the pollen filter normally just below the windscreen under some covers. Maybe a critter got in somewhere and died and the smell is being stirred. Make sure the drains under the windscreen are not blocked trapping stale water.