Window Fogging - BMW Forum

Black1994325is · 02-23-2005, 05:56 PM

Lately, my cars been acting strange.

One of the thing I notice was that my window fogs up and it doesn't go away. I tried to normal, heat/fan, and defroster. What is the normal procedure to get rid of this problem. And if that doesn't work, what could be the problem?

Thanks for the help.

Furious · 02-23-2005, 06:00 PM

hmm the most extreme case would be somethign wrong with your heatercore. did you actually check to make sure your vents are working on the dash?,
if it happens again , roll down your front windows a bit , see if that fixes it.

rsn48 · 02-23-2005, 06:57 PM

I'm trying to remember if you have a "recycled air" button in that car, I think you do. Your car will fog up and stay fogged up if you leave your recycle air button on. Check your manual to see how the button works. If you have it, try turning it off.

CiscoKid · 02-23-2005, 08:32 PM

use the recycled air button... it dires the air out to eliminate fog. Also pick up a bottle of rainx anti fog... i used it on my moms car, and it works pretty good

Cruzin 323is · 02-23-2005, 09:26 PM

rain-x makes a thing, that u put on the windows, and doesn't make your windows fog up.. u can try that!

jshearer · 02-24-2005, 12:36 AM

Quote:

Originally posted by Cruzin 323is@Feb 23 2005, 09:26 PM
rain-x makes a thing, that u put on the windows, and doesn't make your windows fog up.. u can try that!

[snapback]298126[/snapback]

Has anyone tried it on the back windows? My defroster grid is out on my back window. Which brings up, what windows are fogging up front? back? sides?

dutchbmw · 02-24-2005, 10:44 AM

A good thing to do is to put all doors open and let your car blow thru for a couple of hours. Make sure it won't rain that day.......

jshearer · 02-24-2005, 11:09 AM

Clean windows fog up slower than dirty windows too.

Cruzin 323is · 02-24-2005, 11:12 AM

the thing with the anti-fog thing for the windows... is, unless u really go at it to take it off... it will leave alot of residue on your windows!

Black1994325is · 02-24-2005, 11:48 AM

Its my inside windows. Front and partially on the side. Is the recycle air button the same as those in every car? Or is this something specific to BMW?

robbins6103 · 02-24-2005, 12:05 PM

Use the A/C for getting rid of the fog.

93 325i · 02-24-2005, 03:44 PM

I noticed the same fogging issue with mine. While cleaning the interior I switched on the recycled air button and didn't realize it..Later that night my windows would fog up and the normal defogging method would not work. 15 seconds after I tuned off the recycle air button the fog went away.. So I suggest not using that feature if you currently do and see if that helps..

walshja · 02-24-2005, 06:11 PM

couple of questions for you.

how old is the car?

do you smell antifreeze at all inside the cabin? and I mean ANY.

if you do smell antifreeze you are leaking coolant in your cabin somehow. this just happened to my car and it was the heater core.

the heater core is located under the passenger dashboard. takes about 6 hours for an experienced mechanic to replace. the cost for the heater core is like $150, the remaining is labor. total bill is between $700 and $900 dollars.

it sucks having to do this, but there is nothing else you can do.

let me know if you are smelling coolant at all.

good luck

-pimpin328is- · 02-24-2005, 06:36 PM

the a/c works real good and fast for me