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Thread: Double bellow bags plopping noise on rise

  1. #1
    Join Date
    Apr 2013
    Location
    Munich, Germany
    Posts
    13

    Default Double bellow bags plopping noise on rise

    Hi airriders,

    my MINI runs Airlift Performance struts with double bellow bags up front.
    When rising the car from aired out I have a loud plopping noise only from the right side.
    I already heard of other people having this issue from time to time with this type of bag.

    Does anyone know where this is coming from and how to fix this?
    Why is occuring only on one side?

  2. #2
    Join Date
    Apr 2017
    Posts
    3

    Default

    Its a common thing with the bags. Its popping because when you air out the bag folds a little. The popping noise is the bag unfolding when you air up. I wouldn't worry to much.

  3. #3
    Join Date
    Apr 2013
    Location
    Munich, Germany
    Posts
    13

    Default

    I am not really worried about it, it's just annoying as the noise is so loud that it's turning heads in car parks.
    Any fixing ideas? It must work somehow as just one bag does it.

  4. #4
    Join Date
    Feb 2013
    Posts
    22

    Default

    I mean, it's making the noise because you're dropping the car so low in the suspension geometry that the bag folts/inverts a little bit. The quickest solution would probably be to determine exactly when it folds, and not drop it below that level by either setting it as your lowest position if you're using e-level or the like, or installing new bump stops that limit the travel.

  5. #5
    Join Date
    Dec 2018
    Posts
    5

    Default

    I've only had this issue with my double billow bags. the sound is slightly annoying, I've taken the bags out and cleaned them to see if that helps. NOTHING, still has same issue

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