The Audi A4 B8 with a 3.0 TDI engine and quattro drivetrain was first tested on the dyno with its factory software. It produced 240 hp and 489 Nm, compared with a nominal torque figure of about 500 Nm for this version.

The engine ECU and automatic transmission software were then adjusted. The car was tested under load over several dyno runs, with the engine and gearbox response checked during calibration. The gearbox limits were prepared for higher torque, but the engine’s available fuel delivery did not support the intended 700 Nm target.

The final dyno run recorded 302 hp and 611 Nm. Data logging also covered boost pressure, fuel pressure and other engine operating values. The result was set by this particular car’s capabilities; 700 Nm was considered as a target but was not achieved.