The Volkswagen Passat / Magotan 1.9 TDI 100hp (B5 - 1996 - 2005) produces 100bhp and 250Nm in standard form. Our Stage 1 ECU tuning file raises output to 140bhp and 320Nm, a gain of 40bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.