Disconnect The Fuel Delivery Unit And Sealing Flange:
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2015 Audi RS 7, 2015 Audi A7 Quattro, 2014 Audi S7, 2014 Audi RS 7, and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
-- Cut the plastic connecting line -arrow-.
NOTE:
The connecting line is only an assembly aid and it no longer needs to be installed.
-- Disconnect the connectors -2 and 3-.
-- Remove the fuel supply line -1- from the fuel pressure regulator. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .
-- Remove the locking flange from the fuel delivery unit.