General description The Turbocharger is designed for Audi S4, RS4, A6, and Allroad Quattro models equipped with a 2.7L V6 Bi-turbo engine. This high-performance turbocharger enhances engine efficiency and power output, making it an ideal upgrade for enthusiasts looking to boost their vehicle's performance. Technical specifications Turbo Model: K04-025 (left side) Turbo Part Numbers: 53049880025, 53049700025, 53039880016, 53039700016, 078145701M, 078145703M, 078145701H, 078145703H, 078145703MX, 078145703MV Bearing Type: Journal Bearing Compatibility and accessories Compatible with Audi RS4 V6 Bi-turbo 2.7L P (AZR/ASJ Engine) 2000-2005 Requires modification for the following models: Audi S4 Bi Turbo 2.7L P (AGB/AZB) 1998 Audi Allroad Quattro 2.7L P (AJK/ARE/BES/AGB) 2002 Audi A6 2.7T Quattro 2.7L P (AJK) 1999-2002 Installation Professional installation is highly recommended. Instructions are included; an E-book version is available upon request.