A6 Quattro Sedan V8-4.2L (BVJ) (2007)
7. Detach plenum chamber cover (Figure 5, 2).
8. Use screwdriver to pry off caps from wiper arms and unscrew hexagon nuts.
9. Detach wiper arms from shafts.
10. Unscrew left and right bolts (Figure 6, arrows) from cowl panel (Figure 6, 1).
11. Unscrew bolts (Figure 7, arrows) and remove cover for electronics box.