Hey i own a t4. one thing to note is that the attesa awd system can seize up (as mine has
) in which case power is directed constantly to all four wheels equally. What should happen is power should be devided unequally between the wheels in a situation such as a hard lock turn to avoid the car 'binding' to the road. I am in the process of finding a way to fix it, other models/makes of cars using the transfer case and viscous diff such as subies are known for the same problem. If anyone knows a way to solve this lemme know, otherwise I will update my progress.