What Causes BMW Window Glass to Fail to Roll Up or Down?
1 Answers
The reasons for the failure of window glass to roll up or down include deformation or damage to the glass mud channel, loosening of the screws fixing the window regulator, or damage to the window regulator itself. Below are the solutions for the window glass failing to roll up or down and the classification of automotive glass: Solutions for Window Glass Failing to Roll Up or Down: Turn on the ignition switch, pull and hold the switch to roll the glass up. After the glass reaches the top, continue to hold the switch for more than 3 seconds. Release the switch and immediately press and hold it again to roll the glass all the way down, waiting for more than 3 seconds. Repeat the upward movement once more to complete the initialization procedure, restoring the window rolling function. This method is effective for most vehicle models. If the function is not restored, it is necessary to visit a professional repair shop for inspection. Classification of Automotive Glass: Automotive glass is mainly divided into laminated glass, tempered glass, and regional tempered glass, which can withstand strong impact forces. Based on their location, automotive glass is categorized into four types: front windshield, side window glass, rear windshield, and sunroof glass.
