See also:

Wiper blades
1.  Fold out the wiper arm and hold it. 2.  Press together the locking spring, arrows 1, and fold out the wiper blade, arrow 2. 3.  Take the wiper blade out of the catch mechanism ...

Wiper blade replacement
General information Do not fold down the wipers without wiper blades Do not fold down the wipers if wiper blades have not been installed; this may damage the windshield. Replacing the wiper ...

Enabling operation in the rear
Only possible via the iDrive in the front. 1. "Settings" 2. "Allow rear control" 3. Select the desired priority. ...