Tune-up Tips: Gapping and Replacing Spark Plugs on the 1.8T - AxleAddict
Golf 4 1.8T - 464hp - CarsX
Mk4 Golf 1.8T 2004, has an issue with a consistent check engine light probably having to deal with this. These tubes coming from the fuel injection system I believe had been open.
volkswagen golf mk4 1.8t engine sound - YouTube
Motor AUQ VW Golf 4/IV 1.8T GTI 180PS 132kW - Praha - Sbazar.cz
04 MK4 1.8t jetta montgomery AL | VW Vortex - Volkswagen Forum
Golf Mk4 with a 1200+ hp Turbo VR6 – Engine Swap Depot
Motor 1.8T AGU AUM za Volkswagen Golf 4 | Auto delovi | Polovni Automobili