It says the camber shims not only change the camber but also affect toe, because the bolt holes are not parallel to the ground. The guy that fitted them and had the alignment checked went from 4 mm toe in to 17 mm toe in, while 3 mm is said to be optimal.

But how much the toe is effected depends on the ride height. The lower you go, the more parallel the shim gets to the ground. When they are fully parallel there is no change to toe when fitting the shims.

I have had the camber shims before, but I removed them again. I now fitted 2x 1mm thick standard shims to the top bolts. After that I had the tracking measured and put some thin shims from Mike R to get the toe setting correct. The shims for the toe need to be very thin, as the toe setting has to be much more accurate than the camber setting. So there is no way of doing it on sight.