This BorgWarner SX K04 upgrade turbocharger is specified as an upgrade for Audi and Volkswagen 1.8L 5‑valve TFSI engines. Offered as a direct‑fit replacement turbo, it is intended for applications where a higher‑capacity forced‑induction unit is desired, supporting increased boost potential and improved turbocharger performance when matched to the listed engines and vehicle fitment.
BorgWarner Turbocharger SX K04 Audi/VW 1.8L 5V TFSI Upgrade