Fuel Filter with 6.6 bar internal pressure regulator (mainly for 2.0 TFSI engines e.g. Polo 6R R WRC Street). To keep your VW or Audi running great you need to have quality fuel. Replacing your fuel filter is a great way to ensure that the fuel getting to your engine is free from debris. Dirty fuel filters can often become clogged restricting the flow to your engine. 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. By replacing your fuel filter improves fuel flow to your TFSI engine over an old clogged up one with dirt and grime.This is the revised 6.6 bar filter that replaces the older 6.4 bar filter (1K0201051C) and is highly recommended to replace you 6.4bar filter with the new 6.6 bar filter.
Be sure when you are shopping for a filter that you get the most updated version which is the 6.6 Bar of pressure.
You should replace your filter every 65k km (40k miles).