Notes for service technicians: Diagnosis
WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
The Active Sound Design (ASD) is connected to K-CAN2 (E89: K-CAN) and can be read out for the diagnosis.