Condensation on the inside of car?? - BMW M5 Forum and M6 Forums
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post #1 of 9 Old 10th December 2009, 09:54 PM Thread Starter
Ant1
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Condensation on the inside of car??

Over the last few days i have noticed a condensation building up throughout the car during the day or when left over night. The best way to describe it i guess is like the front lights when they suffer from condensation.

Anybody have any ideas how i can cure this? as it's bloody annoying

I guess there could be a dodgy seal on one of the windows letting in moisture?
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post #2 of 9 Old 10th December 2009, 10:06 PM
mchang
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Check for wet carpet on the floor. Might indicate leaking vapor barriers in the doors. Is anything else wet inside? Might get some D A M P R I D - The Original Non-Electric Moisture Absorber and use it for a few days. Worked great on my car.

'02 carbon black over grey/black
CF wrapped trim, TEC and Ultimate cupholders, 35% tint, Matte black kidney grills, ZHP knob + 540i/6 boot, 545i shoft shift kit
Lots of fixed rear door vapor seals.
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post #3 of 9 Old 10th December 2009, 10:22 PM
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What you have is almost always an indication of water inside the car somewhere.
See if carpets are wet.
If so, will have to figure out how water got in there.
If carpets are dry on top, you may have to pull out a front seat and lift up the carpet/pad assembly, that assembly is very thick and it is possible to trap water in the floor pan and not have indication of water on the surface.
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post #4 of 9 Old 10th December 2009, 10:39 PM
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Hopefully your floor is not wet, but if it is as mentioned above you probably have leaking vapor barriers. This thread is a good one:

Troubleshooting rear footwells soaked with water?

And another one bites the dust.
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post #5 of 9 Old 10th December 2009, 10:42 PM
mchang
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I get the feeling these will continually bite the dust. That thread should be stickied.

'02 carbon black over grey/black
CF wrapped trim, TEC and Ultimate cupholders, 35% tint, Matte black kidney grills, ZHP knob + 540i/6 boot, 545i shoft shift kit
Lots of fixed rear door vapor seals.
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post #6 of 9 Old 10th December 2009, 11:02 PM Thread Starter
Ant1
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Cheers fellas. I do pressure wash the car twice a week so i wonder if some has managed to get through the doors. Carpet feels dry but like mentioned it can be underneath. Looks like a seal has popped somewhere!
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post #7 of 9 Old 11th December 2009, 12:12 AM
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Quote:
Originally Posted by mchang View Post
I get the feeling these will continually bite the dust. That thread should be stickied.
+1
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post #8 of 9 Old 11th December 2009, 07:01 PM
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post #9 of 9 Old 2nd January 2014, 09:58 PM
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I get condensation on the front wind screen, only. I thought it to be a vapor leak in the windshield seal and had the entire thing replaced. I still get condensation, to the point that water drips from the top of the windshield leaving annoying streaks. I have pressure washed the car and, yes, driven in the rain, but never experienced water leaking in from around the window. Could warm, moist air from the engine bay be entering the cabin through the air vents as the inside of the car cools causing the condensation?
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