5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
Whenever the ventilation fan runs, a there is a persistant perfume-like smell to the outgoing air. This happens whether running the a/c or not. I bought the car used recently, replacing an older 325, and it is still under warranty.
for now Try to examine your Charc. filters. I seen some guys placing or spraying Air freshners in them. You have two of them on the right and the left sides corners of the back of your engine. Are they clean and new? If the anwer is no then: The next step will be to check the housing under the dash for unwanted buildups and mildew. If thats the case you may want to consider a cleanup or a housing vacuum which involves some drilling. It is sealed!
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