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Thread: RE: I need a BMW mechanic who understands vapor barrier & water leaks

  1. #1
    Junior Member
    Join Date
    Mar 2007
    Bowie, MD

    RE: I need a BMW mechanic who understands vapor barrier & water leaks

    I have a 2002 M5 with 74,000 miles. The problem; I have a water leak issue in the rear door panels. Allow me to attempt to explain- When it rains, water runs off the window around the door track. The rear *floor board area has puddle of water [Where you place your feet while seating].

    In July of 2006, I replaced the rear left & right door insul-BMW part number # 51-48-8-230-221. As you know, the BMW mechanic removed both rear door panels and removed a black thin lining-I believe it keeps the water outside. Hopefully, you can help me with this unnerving problem. Once again, when it rains, it really ruins my day…


    PS-Please help me with this problem-can you say M5 in garage????

  2. #2
    Member Bruce N's Avatar
    Join Date
    Mar 2007
    Leesburg, VA
    I just resealed the rear doors on my buddy's '03 530i. The main problem is failure of the sealant. I removed the old insulators and thoroughly cleaned the sealing surface of the door and installed new insulators using 3M Ribbon Sealer 08610. This stuff is a really sticky sealant and I don't expect the doors will ever leak again.

    Hope this helps.
    RRT Racing Crew Member

  3. #3
    Join Date
    Jun 2004
    Baltimore, HON!
    Quote Originally Posted by Bruce N View Post
    3M Ribbon Sealer 08610.
    That's what we used at BMW of Towson, great stuff. Also, invest in new door clips with the rubber seals on them.

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