[masraum]

Originally Posted by ramonesfreak

Check your manual first!

for my MINI, it specifically advises DO NOT put RainX products in washer system as it will destroy the system and the forums confirm that it does

I've found some stuff online complaining about this RainX product



What's I'm talking about is the following, which is a thin, clear liquid. It still may be an issue. I have been using it in my Boxster as long as I've owned it (over 9 years). I have had the windshield washer level sensor replaced once in that time, about 1-2 years ago.