Please check out the video below. It is from tonight, from my mother's 2008 135i with 22k on the odometer... . I pulled over to hear what the noise was, popped the hood, and heard the noises.... WTF could it be? Something common or obvious? There is no check engine light on, and the car seems to be running perfectly.
I need to check for codes later this weekend...
Experts.... anything?