Audi AMM Up for sale is a Working, in excellent condition Audi 90CS v6 AMM. the part numbers on this unit are as follows: 054 133 471AFH50-12 it is made by hitachi. Not completely sure what this came off of, or what it fits, but i know its from an audi, most likely an 80 or 100. However as always your best bet is to match the part numbers with the part you need.