The Volkswagen Transporter / Multivan 2.5 TDI 130hp (T5 - 2003 - 2009) produces 130bhp and 340Nm in standard form. Our Stage 1 ECU tuning file raises output to 170bhp and 400Nm, a gain of 40bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.