Audi AMM Up for sale is a Working, in excellent condition Audi 90CS v6 AMM. the part numbers on this unit are as follows: 078 133 471 (078133471)AFH70-08A3705 it is made by hitachi. This Airflow meter came out of a 93 Audi 90CS V6, it should fit other models/years. However as always your best bet is to match the part numbers with the part you need. COmes with a 30 day functionality guarantee.