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 6.4 bar filter and is highly recommended to replace you 6.4bar filter with the new 6.6 bar filter.
You should replace your filter every 40k miles.
Transverse engines only. Does NOT fit the longitudinal engines.