The Case Luxxum 120 3.4 Tier 4A 99hp (All) produces 99bhp and 430Nm in standard form. Our Stage 1 ECU tuning file raises output to 130bhp and 540Nm, a gain of 31bhp and 110Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.