WARNING: This page is about a different car, the 2008 Audi RS 4 and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Connecting Rod, Installed Location
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Molded tabs - arrows
- at beveled surfaces of the connecting rod pairs 1 and 2, 3 and 4, 5 and 6 as well as 7 and 8 must point toward each other.