Electronic power-up
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 terminal 30B and ground for voltage supply. The Active Sound Design (ASD) will be woke up by K-CAN2 (E89: K-CAN) and will be available immediately.