Scope of delivery: - Turbocharger Borgwarner upgrade 53049880025 for Audi RS4 left up to 850hp with larger compressor wheel + RS6 turbine wheelthe Borgwarner turbochargers are proven to come from a German Borgwarner representative, therefore all 100% original.Technical data: - adapted + revised compressor housing CNC machined contour - milled compressor wheel with high flow rate - boost pressure 1.4-2 bar - Rotor grinding to 14° - Power up to 850hp - Special 360° racing axial thrust bearing - Turbine wheel from RS6 turbocharger 53049880028 - reinforced pressure cansuitable for: - Audi RS4 V6 2.7 Bi-Turbo Engine: ASJ/AZR - Audi S4 V6 2.7 Bi-Turbo Engine AZB / AGB V6 as upgrade