Check if it has a vent hole… if not, drill one…
Otherwise with raising temperature under the hood, pressure will build up and fluid will leal from the nozzles… been there already🤦*♂️

[emoji106]

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+1 on that. Me too. Took me a bit to figure out what was going on.

First, this morning I told it I loved it (as the aux fan is still happily whirring away)...but THEN LATER....I had a few cross words for it as when I went to set my sunroof to vent mode...something broke and the damn thing rattles now when I close it and run over some rough road/bumps...and the vent mode doesn't OPEN properly (just a small amount). Now it's time for me to research how to fix the sunroof.

Pretty sure I bought mine with this issue and have neglected to fix it. I just leave it closed...

I have found a pretty good tutorial on how a E39 sunroof works and it addresses the issue I'm having...so, I'm hoping to get enough info to figure out how to fix mine. It doesn't seem that horrific.

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I need to fix mine .is this for the base model not pano?


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This is technically for an E39 standard (non-pano) sunroof. It seems that the parts are at least very very similar...so I'm using it as a primer to figure out how to tear mine down to fix it. Seems like it's a pivot-to-rail failure that I should be able to observe so I can purchase the correct parts.

My 2003 sunroof has the exact same symptoms you describe, and is something I hope to fix eventually. However it's low on the priority list since it doesn't leak. Let us know how it works out.

On the sun roof, how to you fix a sagging headliner? The wifey likes to use the pano roof, so the front portion is really coming down. The edges are giving way.