K03 Turbocharger (New OE Replacement) - VW/Audi / 1.8T / B5 / A4 / Passat

Borg Warner’s highly efficient turbocharging technology meets the highest demands in performance, fuel economy and emissions.

Borg Warner’s range of turbochargers for gasoline and diesel engines consists of a broad portfolio of high performance and sophisticated turbo systems with waste gates, water-cooled bearing casings, and a new generation of turbines and impellers. 

Features and Benefits:

• High grade materials
• Water-cooled bearing casings
• Milled impeller wheels
• Further developed systems for high temperature applications up to 1,050F
• New generation of turbines and impellers
• Different boost concepts depending on engine strategy:
  • waste gate and boost pressure control valves
  • variable turbines
  • twin flow turbines
• Special design solutions such as integrated exhaust manifolds

Part #'s


058-145-703-LX / 058145703 LX / 058 145 703 LX / 058145703LX

058-145-703-L / 058145703 L / 058 145 703 L / 058145703L

058-145-703-C / 058145703 C / 058 145 703 C / 058145703C