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Old 11-20-2009, 08:11 AM   #1
BakerM3
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I'm sinking

So I get in my car this morning and I have noticed this before when it rains but this is the first time I took a picture. This is my front passenger side door. What can I do about this?
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Old 11-20-2009, 08:13 AM   #2
mhagley323
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daaaaamn. that would drive me nuts.
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Old 11-20-2009, 08:24 AM   #3
323i matt
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looks like you have a leaking door or window seal

could have a look and make sure all the bungs are in the bulk head too as it could be dripping in through any hole it will find and just go to the lowest point in the vehicle which would be the floor
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Old 11-20-2009, 08:25 AM   #4
alwaysbored786
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I would rip that part of the carpet out and see whats underneath, if thats been happening for a while you probably have some mold and maybe even rust. Plus when the carpet is out you might be able to see what causing it.
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Old 11-20-2009, 08:38 AM   #5
BakerM3
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In the picture you can see the line of water coming from the plastic trim. So would the plastic trim have anything to do with it? Is this something I can fix myself?
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Old 11-20-2009, 08:47 AM   #6
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vapor barrier on that door has failed. water comes down the window, past the window to door seal (which is not supposed to be water tight) hits teh barrier and then rides the barrier down to inside of the interior panel on the door. then down it and onto the trim, you see in teh pick and collects on the floor board. replace or haevily duct tape the bottom of hte vapor barrier.
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Old 11-20-2009, 09:14 AM   #7
BakerM3
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Is there a DIY for this?
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Old 11-20-2009, 10:32 AM   #8
Ted13B
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GoGators is right, it's your vapor barrier, the foam insulation under the door trim that is glued to the door. Pull off the door panel and look for tears in the vaopr barrier. It's glued down with a tar like material, use a heat gun to try to soften the old stuff. If the vapor barrier is torn, get a new one at the dealer, under $50. Also ask for the strip caulk BMW has for the vapor barriers, it's wide and flat and does an excellent job of sealing. As for the carpet, pull off the door sill strip and dry the carpet and underneath as best you can. There's a product sold at Home Depot called Damprid, it's for drying wet basements and is great for getting the moisture out of the car.
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Old 11-20-2009, 10:36 AM   #9
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Quote:
Originally Posted by Ted13B View Post
GoGators is right, it's your vapor barrier, the foam insulation under the door trim that is glued to the door. Pull off the door panel and look for tears in the vaopr barrier. It's glued down with a tar like material, use a heat gun to try to soften the old stuff. If the vapor barrier is torn, get a new one at the dealer, under $50. Also ask for the strip caulk BMW has for the vapor barriers, it's wide and flat and does an excellent job of sealing. As for the carpet, pull off the door sill strip and dry the carpet and underneath as best you can. There's a product sold at Home Depot called Damprid, it's for drying wet basements and is great for getting the moisture out of the car.
+1

To confirm that the vapor barrier is the problem, do this:
- With the door open and the window closed, pour water onto the glass so that it runs down over the window sill. The "seal" at the bottom edge of the glass is not intended to be watertight; some water will go inside the door shell
- Inspect the bottom edge of the door and see where the water is coming out; if any water is coming out between the sheet metal and the door trim pane, then the vapor barrier is the problem.

It's probably shoddy work on the vapor barrier, from a previous repair of the window regulator. Re-attach the vapor barrier to the sheet metal with the black tar-like butyl tape. If it's cold out, use a heat gun to make the butyl tape warm and sticky. Replace the gray foam barrier if it's damaged anywhere. Pay special attention to the bottom edge of the barrier, and make sure it's perfectly adhered to the sheet metal.

When I work on a window regulator, I leave the bottom edge of the vapor barrier attached to the door.
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Old 11-20-2009, 12:17 PM   #10
jeffro3000
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vapor barrier was the problem on mine. I had the same leak, but a lot worse. It was almost standing water and extended to the back seat floorboard.
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Old 11-20-2009, 01:48 PM   #11
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I hate Vapor Barriers
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Old 11-20-2009, 01:59 PM   #12
Riverbmr3
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sinking likes titanic?
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Old 11-20-2009, 04:28 PM   #13
abrogan0319
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i had the same problem, it was due to the sunroof drain tubes not connected.. open the sunroof and poor water in the front two drain tubes. let me know if it still leaks then.. if it does drop the front headliner and reconnect the drain tubes.. happened to me about 1000 miles ago and no problem..
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Old 11-21-2009, 11:54 AM   #14
BakerM3
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sinking because of stupid Texas weather. you know what I am saying pinoybmr3
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Old 11-21-2009, 11:54 AM   #15
BakerM3
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I will check the sunroof as well. thanks.
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Old 11-21-2009, 12:38 PM   #16
albertbmw
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I had the same issue myself. After a lot of hair-pulling (and very wet front passenger carpet ), I found that the drainage channels along the tops of the wings (fenders) were blocked with dirt etc. They're not easy to access, but once I had cleared these out and the water could drain through the wheel arches, no more problems!

Last edited by albertbmw; 11-21-2009 at 02:37 PM.
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Old 11-23-2009, 07:09 PM   #17
M3Ed
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Originally Posted by albertbmw View Post
I had the same issue myself. After a lot of hair-pulling (and very wet front passenger carpet ), I found that the drainage channels along the tops of the wings (fenders) were blocked with dirt etc. They're not easy to access, but once I had cleared these out and the water could drain through the wheel arches, no more problems!
any info or pics where those drainge might be in the fender?
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Old 11-23-2009, 07:28 PM   #18
charlesberry
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I had the exact same problem. New vapor barrier fixed it.
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Old 11-23-2009, 08:37 PM   #19
N89
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Quote:
Originally Posted by GoGators View Post
vapor barrier on that door has failed. water comes down the window, past the window to door seal (which is not supposed to be water tight) hits teh barrier and then rides the barrier down to inside of the interior panel on the door. then down it and onto the trim, you see in teh pick and collects on the floor board. replace or haevily duct tape the bottom of hte vapor barrier.

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Old 11-23-2009, 08:42 PM   #20
m1356guy
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Probably smells like sh!t huh
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