Version with rain sensor or rain/light sensor:

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.

Remove rain sensor or rain/light sensor. See E46 - RAIN-LIGHT SENSOR

After replacing windscreen:

Initialize rain sensor or rain/light sensor
Refer to function description in DIS (Diagnosis and Information System)