Upgrade your Audi S3/TTS engine to a new level of performance with the New Borgwarner 53049880064 Turbo Upgrade. This K04 model turbocharger, manufactured by BORGWARNER, is designed to deliver superior power and efficiency for your 2.0L 2.0 TFSI Quer/Transversal engine. With a 1-year manufacturer's warranty, you can trust in the durability and reliability of this turbo upgrade. The cross-references, including 06F145702C, 53049700064, and TBC530S, ensure seamless compatibility with your vehicle. Experience an enhanced driving experience with the precision engineering of Borgwarner. Upgrade your Audi's performance with the confidence that comes from a brand synonymous with turbocharger excellence.