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Initializing Window Up/Down System

Model: BMW Serie 3 E92, E90, E91 - Years: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Part: Onboard computer

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If pressing the window open/close button causes the window to move up and down in jerks instead of smoothly and continuously, you need to initialize the device to allow for continuous movement; this procedure requires a diagnostic tool: connect the diagnostic interface to the vehicle's OBD port, turn on the ignition, and start the diagnosis by selecting the vehicle model in question (many diagnostic tools can also perform auto-recognition); once communication is established, select the door and window module and execute the initialization.


Updated on 18 February 2026 by ScegliAuto


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