Try this....
Cut a potato in half and rub it across the windscreen (starch), then wipe over the top with scrunched up newspaper. That should remove the film that's causing the friction with the blade.
There might be a solvent grab on the glass that has been applied when they cleaned your car.
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2011 135i N55 | Black | M Sport | DCT | Sunroof | Pro Nav | Alpine Hi-Fi | Commbox | Tint | blah blah
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