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Old 03-19-2012, 01:06 PM
Sonoman707 Sonoman707 is offline
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Location: Healdsburg, CA
Join Date: Oct 2004
Posts: 682
Mein Auto: 2008 X3 3.0si
Originally Posted by usaret View Post
To be honest I've never noticed anything like this on mine.

The motor that operates the shade also operates the wind deflector. I can only assume there is some sort of "feedback" (for lack of a better word) when motor operates the wind deflector.
Originally Posted by jdeday View Post
Yes, I confirmed that it only happens when the wind deflector operates. I wonder if this is by design? I just never head the noise from the rear sunshade before.
The "wind deflector" is not powered by anything. Simply spring/tension loaded and rises as the window frame slides back on the track. Same with lowering - the glass pushes down on the support arms as it slides forward, lowering the wind deflector.
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