Panamera 4S (970) V8-4.8L (2011)
10. Unclip the wire harness along the dashboard support -arrow- .
11. Cut tie-wraps used to secure the wire harness to the dashboard support.
12. Screw off fastening nut -1- and remove the ground cable.
13. Screw off fastening nut -1- at the passenger's side and remove the ground cable.