"Initialization of the window circuits is required for the one-touch and anti-trap features to function. Closing the window and holding the switch for an additional 2 seconds will initialize the system. However, the window motor ceases rotation for approximately 0.3 seconds," as per BMW.
"Initialization of the window circuits is required for the one-touch and anti-trap features to function. Closing the window and holding the switch for an additional 2 seconds will initialize the system. However, the window motor ceases rotation for approximately 0.3 seconds," as per BMW.