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: Exploded View Of Oil Spray Jet For Piston Cooling
Courtesy of AUDI OF AMERICA, LLC
Oil Spray Jet
Insert Bolts With Locking Compound And Tighten To 9 Nm. For Locking Compound.