WARNING: This page is about a different car, the 2015 Audi RS 5, 2014 Audi RS 5, and 2013 Audi RS 5. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: The Tight Valve Spring Coils
Courtesy of AUDI OF AMERICA, LLC
The Tight Spring Coils -Arrow- Faces Toward The Cylinder Head.