what vag com do i need
 

I have a 97 vw passat that i need to do the EGR mod on so my check engine light will go off I got one of the kwp 2000 boxs off ebay with the software but i cant get it to work at all wont connect to my car loaded the software and deleted it and reloaded it agian i still have it all I have read all i can find on the net and still cant get it to work and non of the software is in english :argh:im looking to buy some thing else but dont know what to get after the last deal that was for my car. any help would be great help