Happy to help
It's safe to use on all the windows however you'll get the best results on the front windshield. BMW even sells it. Here's also a great write-up of it:
Josh Wardell’s MINI Cooper S Rain-X vs. Aquapel
Quote:
Originally Posted by 1stE53
Thank you, I'm on it!
My wipers last about 5 years because I never use them, one more tool to keep me from using them  |