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Message: <blockquote data-quote="ssmann" data-source="post: 23247" data-attributes="member: 18956"><p>Friends,Any leads appreciated.Problem: The windscreen on my E38 fogs up when the a/c is on. This happens usually on cold days, rainy days. When the car is moving, the fog clears up and returns when the car is slow or stationery. It generally does not build up alot on hot days. Here's a photo....<img src="http://i1004.photobucket.com/albums/af167/ssmann/IMG00362-20101222-0815.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> What can this be?1. Faulty a/c switch i.e. upper vent blowing to windscreen?2. Windscreen replacement not done properly does wind entering car from beneath??3. Any other thoughts and how to remedy?Thanks!</p></blockquote><p></p>