Except 7-Series
WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2003 BMW Z8, 2003 BMW Z4, 2003 BMW X5, 2003 BMW M5, and 2003 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
Power windows will require calibration to establish upper and lower stop points if battery is disconnected. Turn ignition on. Lower window(s) to stop and hold switch for 5 seconds. Raise window(s) to stop and hold switch for 5 seconds. Turn ignition off.