C70 L5-2.4L Turbo VIN 63 B5244T7 (2003)
Check that the window makes a seal with the weatherstrip around the door opening: Fold a piece of paper in two and pull it out. It should be hard to pull
the paper out but not so hard that the paper rips.
The force required should be between 8 -22 N.
Check that the window is in contact with the weatherstrip all the way around the window with the paper.
