https://www.youtube.com/playlist?lis...aAVvLVE_39AkQM

Some before and after videos of when I sprayed Teflon spray on my driver window. 60% faster. Lasted about a year but I can’t find that brand of spray anymore so I’m going to try silicone spray.

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)