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2022 530i xDrive
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182 Posts
Discussion Starter · #1 ·
While driving in Chicago last week I had an 18 wheeler in front of me drive over a big section of patched pavement and sprayed me with tar covered sand and pebbles picked up by the tires. A prompt car wash seems to have taken everything off the paint, but I had little granules stuck to the windshield and headlights. They're like tar coated grains of sand. It took a rag moistened with mineral spirits to get it off the windshield but I'm hesitant to use that on the headlight lenses for fear of crazing or fogging the polycarbonate material.

Anyone have any suggestions as to what I can use that will dissolve tar but not wreck the lenses?
 

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2022 530i xDrive
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182 Posts
Discussion Starter · #9 ·
I stopped by my local dealer and they got me fixed up. They had a plastic safe anti-static cleaner they soaked a micro fiber cloth with and that took the tar off.

I'll echo what @FredoinSF says above. Take care of your lenses and they'll take care of you. I either use Plexus (Plexus Plastic Cleaner for Automotive Uses) or a similar product from Honda intended for Acrylic and Polycarbonate bike windshields. My old 328d had 108K on the clock after 8 years and the lenses looked like new.
 
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