Easy work around: cycle wipers so they are straight up. Turn off ignition at high point for wipers. Now you can safely lift off for changes and winter/freezing conditions.
Just don't forget to PUT BACK down to windshield surface before turning on ignition or you will damage something.
My garage: 2007 BMW Z4 3.0si Manual, 2007 BMW X3, 2006 BMW 530xi
Retired: 1998 BMW Z3
Member of BMWCCA!