How do you change window washer reservoir bottle on 2001 Audi S4?

First, remove your left front wheel. Then remove the left front fender liner by taking out the torx screws. Now you will see the funky shaped reservoir. It has three mount bolts: 2 behind fender liner, one under hood by the fill point. You will need to pull the two fluid pumps and the fluid level detector out of the reservoir. If it wasn't empty, it is now :). Installation is same in reverse.