Loosen The Cylinder Head Bolts In The Sequence -1 To 10-.
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.
-- Remove The Bolts And The Cylinder Head Carefully.
-- Lay The Cylinder Head On A Soft Surface, Such As Foam.