Audi RS4 · B7 - 2004 - 2008
4.2 FSI V8 420hp Stage 1 tuning
The Audi RS4 4.2 FSI V8 420hp produces 420 hp and 430 Nm as standard. The YASTUNING Stage 1 remap file takes it to 440 hp and 455 Nm, a gain of +20 hp and +25 Nm. Engine code BNS. ECU: Bosch MED9. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.
Power
420 hp
440 hp
+20 hp
Torque
430 Nm
455 Nm
+25 Nm
Engine specifications
- Engine code
- BNS
- Fuel
- Petrol
- Displacement
- 4163 cc
- Compression
- 12.5 : 1
- Bore × Stroke
- 84.5 X 92.8 mm
- ECU
- Bosch MED9