Oil pan upper section, tightening specifications and sequence
WARNING: This page is about a different car, the 2010 Audi A5, 2009 Audi A5, and 2008 Audi A5. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Tightening Sequence For Upper Oil Pan Bolt
Courtesy of AUDI OF AMERICA, LLC
-- Tighten the bolts -1 through 6- for the upper oil pan section in 2 stages in a diagonal sequence as follows:-- Pre-tighten to 5 Nm.-- Tighten to 16 Nm.