Modification method of the support behind the BMW 3 series connected screen: It is necessary to replace the elevator support or disassemble and clean the dust on the support and apply oil treatment. It may also be that the anti-clamp function of your car door and window is started, and there may be a problem with your glass lift switch or the central control module.
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There are generally three ways to solve this problem. 1. Window anti-pinch function initialization, 2, programming, 3, replace the damaged parts.