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Thread: Cold air on passenger side

  1. #51
    Join Date
    May 2004
    Location
    Japan
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    like in the pic here

    fixing broken vent stepper motors

    E36 325i convertible for your son? Congratulations. I also have an E36 M3, 1998 model. Love it.

    For conversion of electric top to manual you might ask on BF E36 section, there is especially one expert called flyfishvt, he owns a 97 328i Vert and knows this best.

  2. #52
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    May 2004
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    Japan
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    Quote Originally Posted by shogun View Post
    as I had a similar problem with no air from vents, I investigated further on my car and we found no broken stepper motor mount, but the stepper motor did not hold in place with the clips, so we fixed it with zip tie, works like a charm now. Have made a youtube on my spare IHKA unit to show how the flaps work
    How it works aircon top flap control - YouTube
    Stepper motor IHKA picture by shogun_bucket - Photobucket
    Applies to defroster flap and temperature regulator flap, 2 actuators per car
    stepper motor IHKA picture by shogun_bucket - Photobucket
    Only applies to leg room flap, rear flap, air re-cycling flap and fresh air flap. Six actuators per car
    http://www.bimmerboard.com/members/h...m%20holder.jpg
    Update: 3 years later the zip tie repair on my stepper motor bracket still works perfect. Advantage is that not many parts have to be removed to repair this. Just the radio came out and some covers outside center console next to the aircon unit and the cover under steering wheel, and one needs slim and flexible fingers to reach the stepper motor then.

  3. #53
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    Temporary zip tie fix still works, but next time I am in there I will make a solid metal bracket for the stepper motors on each side.

  4. #54
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    May 2004
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    Japan
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    Here a DIY to fix the broken stepper motors from an E34 owner in Japan, a metal bracket http://dd.jpn.org/BMW_HP/20050329/index.shtml
    the 2 types of stepper motors used http://dd.jpn.org/BMW_HP/20050328/index.shtml

    dash removal and installation of enforcement bracket http://alpinakozou.web.fc2.com/index.html
    http://alpinakozou.web.fc2.com/file/.../20090503.html
    Last edited by shogun; 07-11-2018 at 07:43 AM.

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