Film man

Your installer is soaking the windshield during  installs. also i heard the bmws 6 series with the threading of the door panels will swell with water,

The Rayno has higher heat specs and will not leave a warp mark at the top of the window when rolled up.

Cs has a very soft glue and will leave a distortion line at the top of the window. Other than that its a nice color and is backed by 3m.