05-26-2009, 06:54 AM
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Officially Welcomed to the 'Fest
Location: WA
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Join Date: Apr 2007
Posts: 564
Mein Auto: 12 X5 35i SA + various
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Quote:
Originally Posted by bbal
Why does any water get in there in the first place with the sunroof closed? Isn't it like any other window that has a seal? When it pours sideways in a windy rainstorm you don't get water coming in through the windows...
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That I don't know. I do know the seal on my Subaru is more of a positive seal, now I look at the BMW sunroof closely while it fits flush I can see how water gets in when it is closed.
Seems critical that the drains work correctly, I can't believe more owners aren't impacted by this.
Also if it is overflowing, you should be able to examine the channel in the cassette and see it is full, but I suspect the edge is low enough telling the difference between a full cassette drain channel and a wet but relatively empty one is difficult.
I would also prefer a sunroof that drips on my head when it is full. That way I know to take it to the dealer rather than dealing with mysterious and expensive electronics failures.
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