Smelly air con ! - BMW Forum - BimmerWerkz.com
3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

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#1 (permalink) Old 06-02-2004, 11:08 AM
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Everytime I use my air con then switch back to the normal mode I get a smell coming thru the blowers ! I've read that this ios a problem with bacteria building up in the air con unit due to lack of use, does anybody know of how to stop it from smelling. I heard abourt a spray that can be used, has anybody else come across this problem ?

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#2 (permalink) Old 06-02-2004, 12:31 PM
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Yeah, I get this too. In fact, this has happened in just about every car I've ever owned! Any info would be greatly appreciated.

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#3 (permalink) Old 06-02-2004, 04:34 PM
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I had this problem in another car. This solution worked for me. Start the car, turn on the AC, set fan to medium, and then turn on the fresh air (outside) air button so air is being drawn from the outdoors. Get a big can of Lysol anti-bacterial spray, but first carefully choose the fragrance! Spray in the vent area around the windshield wipers. Don't stop. Repeat this one week later and as frequently as necessary. The filter system may switch the air to in car when it detects the spray, but just set it back to outdoors. It worked for me.
Good Luck.
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#4 (permalink) Old 06-02-2004, 05:56 PM
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Don't feel alone.
I just bought my 325 Ci, and it only crept up when parking in a structure at work. At first my paranoia led me to a dark place where I fantasized a jealous co-worker pissed in the inlet vent.
Thankfully, I'm just not that important! There are a few solutions some of which are mentioned in earlier posts here:

http://www.bmw-forums.com/forum/topic11622.html

In the mean time here's an inexpensive solution:

-Purchase Ozium with a fragrance you can tolerate (it is an antibacterial)
-Run the A/C up full & exit the vehicle
-Open the hood and locate the A/C inlet vent
-Spray generously across its width
-Run for a few minutes
-Repeat with the heater on

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#5 (permalink) Old 06-02-2004, 06:16 PM
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theres a product that you can buy at pepboys that cleans out the airvents

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#6 (permalink) Old 06-07-2004, 05:12 AM
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I went to my local BMW dealer and they said they had the spray, it's called Wurth saBesto Disinfectant spray. It cost 30 and they said they would do it for 50-60 ! Needless to say I never got them to do it ! It says on the can 'Reliably removes mould and fungi and effectively prevents disturbing odours. Provides lasting disinfection and protects from germs and bacteria'.
I did it the other night there and it has removed almost all of the stink, there is still a slight smell when i turn the air con off but its much better than it was !

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#7 (permalink) Old 09-26-2004, 05:09 PM
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OK all, let's see if you can figure out this version of the problem y'all are discussing. I have tried many of the solutions suggested....my smell happens ONLY when the car has become wet, i.e.rain or washed. As soon as it dries, the smell disappears. Clearly, something is happening with how water drains off the windshield. What can be getting wet and "activating" the cat piss smell?????
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#8 (permalink) Old 09-27-2004, 03:37 PM
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the smell is caused by a mold, this mold needs mostiure (sp?) to surive, usually the AC is what causes a little bit of water to get in the pipes, to clear this water out just run the air, without AC for a few miles before you park you car.
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#9 (permalink) Old 09-27-2004, 03:47 PM
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Quote:
Originally posted by white 330ci@Sep 27 2004, 01:37 PM
the smell is caused by a mold, this mold needs mostiure (sp?) to surive, usually the AC is what causes a little bit of water to get in the pipes, to clear this water out just run the air, without AC for a few miles before you park you car.
[snapback]200053[/snapback]
It does help to run the a/c on and the temp set up to 92 degrees; it just is a pain to do that when the ambient temp is 87 already! Still may take it in to the dealer to see if they can flush something through....thanks!
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#10 (permalink) Old 09-27-2004, 09:16 PM
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Has anyone had this problem? I get a foul ordor from the trunk. Car is only three months old. Anyone know whats up?
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#11 (permalink) Old 09-27-2004, 11:52 PM
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I have had this problem in a Mazda. First you have a leak in the trunk, if you are having a difficult time finding it, most likely the leak is around the outer perimeter of your back lights. Sometimes, there is a plug in the trunk that can let in water when you are driving. If the car has sat for a while, you haven't driven it and it gets wet, then it is probably the lights.

The smell is mildew in the trunk.

Also, I just bought a pre-owned 528i and it had that smell. As part of the deal, the smell had to be gone. I pick the car up tomorrow. The detailing guy and I have been talking a lot together. The AC problem is one he has to deal with a lot. My recommendation is don't nickle and dime a "class" car. Take it in and have your dealer take care of it. He sprayed the "whatever" into it a couple of times, checked the filters, ran the car heater on high a couple of times, completely washed all the rugs etc. There might be a bit of smell left, in which case I will return it to have more of the stuff sprayed in again (part of the contract is the car be rid of the smell).

Your service department will be familiar with this problem and will have had to deal with it a number of times already - a common problem with cars with AC.
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#12 (permalink) Old 09-28-2004, 02:11 PM
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Smile

ghead

Im sick of this smell...someone please advise what to do about it, every loaner that Ive had and my own car has this "ferret smell" when the car is turned on and AC comes on...so embarrasing, i had 4 cars before this one and I have never ever experience this issue....

How can a car like this, with such clout and luxury literally STINK!!!!

retarded!!!!!!!

whats the word on the cure for this, what do I spray??? how do I clean???



Thanks

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#13 (permalink) Old 09-28-2004, 02:43 PM
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I had this problem in another car. This solution worked for me. Start the car, turn on the AC, set fan to medium, and then turn on the fresh air (outside) air button so air is being drawn from the outdoors. Get a big can of Lysol anti-bacterial spray, but first carefully choose the fragrance! Spray in the vent area around the windshield wipers. Don't stop. Repeat this one week later and as frequently as necessary. The filter system may switch the air to in car when it detects the spray, but just set it back to outdoors. It worked for me.
Good Luck



We had a discussion on this topic for the 5 series and someone suggested the following.

Follow PLEWIS instructions as mention above.

And as a prevention, if you use you a/c alot, turn it off 5 minutes prior to arriving to your destination and turn your regular outside air vent. This will dry your ducts/vents prevention any future mold smell.

Also check your air filters...

I hope this helps...


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#14 (permalink) Old 09-29-2004, 11:40 AM
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Here is a link to a new product I posted to in the detailing and washing forum. Our local newspaper did an article on it and said it worked. The link I have provided is to other newspaper articles reviewing it - the product seems to work very well and seems the perfect product for cars. The product can handle dog smells, cat smells, mildew, funky air conditioning smells, etc.

Go to the top bar of the "press page" and you will see a "locator" for the product, and more info about it:

http://www.sea-yu.com/pressroom/press_articles.html

For us Canadians, there is only one source in Ontario.
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#15 (permalink) Old 09-29-2004, 10:36 PM
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i have worked on many cars with this problem. replace your cabin air filter and kill the mold that is in your ac ducts.
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