1K0201051K - VW Audi 2 Fuel Filter (6.6 BAR) - Deutsche A fresh fuel filter can also potentiall give you better performance, and fuel mileage if your old filter was a problem. Be sure to get a new fuel filter in your VW or Audi engine. The previous versions of this filter are 6.4 Bar. Be sure when you are shopping for a filter that you get the most updated version which is the 6.6 Bar of pressure. Audi TT Fuel Filter - AutoZone Order Audi TT Fuel Filter online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store.