A6 Sedan V6-3.2L (BKH) (2007)
4. Use a screwdriver (Figure 3, 2) to release retaining clips (Figure 3, arrows) and detach cover (Figure 3, 1) for negative terminal.
5. Loosen nut several turns and disconnect ground clamp (Figure 4, arrow) from battery terminal. Figure 4. The ground clamp (arrow).
6. Remove rubber seal (Figure 5, 1) from plenum chamber cover.