Quote:
Originally Posted by StefanJ
I'm using the following method to have a nice and smooth ride of the screen wipers, without smears on the wind screen.
Firstly wash the windscreen very well.
Then clean it with a clay bar, this will remove all the abrasive particles stuck on the windshield.
Then gently polish with that special "glass polish" you can find at your local BMW car dealer (it is a very light polish).
Finally, thoroughly clean your blades with technical alcohol.
I'm sure this will help.
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Thank you for posting. This is more or less what detailer does on all cars he handles and specifically before using gtechniq clear vision smart glass.
https://www.theultimatefinish.co.uk/...art-glass.aspx