Disconnect relay socket, disconnect harness connectors and pneumatic hose

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Disconnecting Relay Socket, Harness Connectors And Pneumatic Hose

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect relay sockets - 5 - and - 6 - from metal retainer to outside.
Disconnect electrical harness connectors - 1 - and - 2 - from retaining base at metal retainer, press release button to do so.
Disconnect electrical connectors - 1 - and - 2 -.
Remove bolt - 4 - and remove guide.

Cut all cable ties and move electrical wiring free.
Disconnect pneumatic hose - 3 - at connecting piece - arrow -.