Check this out I got it from AUDISSIMO
EDIT:
The main problem is that a multi plate clutch worns out abnormally, this is unwanted feature of the first generation CVT's. Obviously Audi has been made some kind of mistake about design torque. Audi says, that the first generation CVT is dimensioned for 280 Nm torque, in real, it doesn't manage even 210 Nm torque (which is in 1.8T). The CVT with 7-plate multi plate clutch is used e.g Audi A6 2.7 TDI, which generates 380 Nm output torque. Further information available in link below:
Audi World Site > Company > Comfortable long-distance specialist: Audi A6 2.7 TDI with multitronic