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08-25-2018, 07:42 PM | #1 |
Second Lieutenant
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Replacing rain/light sensor lens
In my 2008 the automatic wipers and headlights had lost sensitivity compared to new. The wipers had become nearly useless.
Previously I'd used ISTA/D to reinitialize the rain sensor (which helped) but it had worsened recently. What I found was that the lens affixed to the windshield had become very cloudy and more opaque over the years. Likely due to the sun. From what I gathered, there is no direct BMW replacement part for this lens (there is for the sensor) and that it likely came affixed to the windshield already. However, I found one on eBay (seller: autoku) for about $20 and gave it a try. The clarity of the plastic was immediately noticeable compared to the old one. And for $20, if it didn't work (which it did) I'd only be back where I started. Below is a quick DIY. I've skipped over some detail as there are more DIYs on those topics for sure. I had a heck of a time finding information about the lens and if it could be replaced, so I'm hoping it proves useful for someone else. I wish I had taken more pictures for a detailed DIY, but there are plenty out there for effectively what amounts to removing and installing the rear view mirror. First, the lens is the purple part you see from the outside near the mirror. It is affixed to the windshield with a clear adhesive. The rain/light sensor (RLS) is clipped to the lens and is removable. My sensor was fine, just the lens had clouded. To replace the lens
New lens installed. On my old lens you couldn't see anything through the clear piece on the left. It was basically a white, milky blob. Old lens. New lens. Last edited by kioneo; 08-25-2018 at 08:01 PM.. |
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