CTR, mileage back??

Hi, as I had to find out yesterday at nem spezl of me my CTR (Bj 02, 22.900km at the purchase) was most probably turned back on the car. Actually we only wanted to screw on the carbon hood but then everything took its course. When we wanted to repair the defective heating regulator (known problem with EP3) we first expanded the middle console. The builder train was however hung up. At the end it turned out that in the footroom the cable train was suspended. Apparently something was done there already. Lose plugs, cable binders etc. When we then even extended the tacho, we had to notice that it was already opened on every case My brake discs are quite worn out for this running performance, in some places rust which is actually not allowed to be, seatrest was quite worn, then the 60000km problems -> clutch krärzt?