I am using the FISIR2012 car set. This problem is only happening on one track (Melbourne by FSR I believe). Anyway, the AI drivers will miss the pits when their tyres are worn, and then will complete the next lap by driving slow and swerving all over the road. While I know this is a track issue, I have used this track mod for the past couple of years and have not come across this issue. I find this very confusing how all of a sudden there is this problem. Does anyone have an idea if this is an easy fix?