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Thread: X3 2006 E83 - cargo area flooding - rear draining

  1. #1
    Join Date
    Jun 2017
    Location
    Guatemala
    Posts
    2
    My Cars
    X3 E83 2006

    Unhappy X3 2006 E83 - cargo area flooding - rear draining

    Hello,

    I'm having an issue with my X3, when heavy raining it is geatting flooded in the cargo area. It seems like water is getting in from cargo pillars, both corners are getting flooded but mostly the passenger side, that area like a bucket gets full of water. (see pictures). It is worse when car has been parked under rain and then it gets up hill, you can hear a lot of water moving and falling there. My biggest concern is that some of it is getting into the battery area.

    I have checked front drains (engine area) but they are completely clear, so it has to be the rear drains. I'm not getting water into any other area, just there. I haven't found any topics or information on where they are and how to clean them. Any ideas? or references?

    Thanks!



    Last edited by luisalf; 06-19-2017 at 11:48 AM.

  2. #2
    Join Date
    Jun 2017
    Location
    Guatemala
    Posts
    2
    My Cars
    X3 E83 2006
    any one?

  3. #3
    Join Date
    Jun 2017
    Location
    North New Jersey
    Posts
    11
    My Cars
    1999 E36 M3, 2004 E83
    Yes hello, the rear sunroof drains are clogged with debris such as leaves, and dirt. I had the same problem plus I'm a bmw tech so Ive seen this. You can try a short cut try spraying some brake clean in the holes of the entrance of the drain which is located in the rear of the sunroof and maybe also a straitened out coat hanger. But I personally like to clean out all the dirt. I removed the plastic panels in the tailgate and just lowered the rear section of the headliner and they are very easy to access and clean like that. What happens is the water has no where to go so it just pools up right before the drain and runs down the headliner into those compartments.

  4. #4
    Join Date
    Jan 2016
    Location
    Ca
    Posts
    6,981
    My Cars
    2001 525it
    Yea sunroof drains

  5. #5
    Join Date
    Jan 2019
    Location
    Malibu
    Posts
    4
    My Cars
    X3
    I have the same exact issue. We have unclogged the sunroof drain. Found 2 acorns in them. Once removed the water is still coming in. We removed nearly a gallon of water between the bottom of the battery and what I believe maybe the computer for the tires?? It’s the component that is under the cargo unit pictured aboved. I can not find the exit drain to see if that needs to be unclogged. Can you please tell me where to locate it? Would I still have this considerable amount of water coming in after unclogging the sunroof above? TIA.


  6. #6
    Join Date
    Sep 2006
    Location
    Michigan
    Posts
    13,674
    My Cars
    2005 325Xi
    If the nipple on the sunroof cassette or the drain tube is cracked, then yes.
    Quote Originally Posted by B4SH View Post
    If anyone knows, it's this guy who knows literally nothing about everything.
    Quote Originally Posted by fcvapor05 View Post
    Do you even OT? The mean 401k around here is probably about $6, what with all the shiny cars and $1,000 watches and donations to get other members' Volvos running.


  7. #7
    Join Date
    Jan 2019
    Location
    Malibu
    Posts
    4
    My Cars
    X3
    The rear exit drains were clogged. Cut them, blew them out and made something for easy access. Wish I could post a picture, but can’t seem to be able to from my phone here. The drain exit certainly seems to be a design flaw for the year model.

  8. #8
    Join Date
    Mar 2016
    Location
    Spooner, WI
    Posts
    39
    My Cars
    2005 BMW X3
    I unclogged the rear right drain. Was happy I fixed the problem, poured some test water inside and half the water that runs down isn’t even hitting coming through the drain cup area, but on the other side on to the headliner, looked hard and no obstructions, how is this even possible?

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