Audi A4 B7 RS4 4.2L V8 420hp

Petrol

Expected figures per programme
ProgrammePower (ps)Torque (Nm)
Stock420430
Stage 1440+20 · +5%455+25 · +6%
Stage 2455+35 · +8%470+40 · +9%

* Typical expected values (±5%) for a healthy, standard car. Final figures are measured on our own 4WD Dimsport dyno and you take home the before/after graph.

Illustrative curve · Stage 1
500500400400300300200200100100002k3k4k5k6kpsNm440 ps455 Nm
Frequently asked
How much power will the Audi A4 RS4 4.2 V8 420hp make after a remap?

With Stage 1 the Audi A4 B7 (2004 – 2008) RS4 4.2 V8 420hp is expected to reach about 440 ps and 455 Nm of torque, up from 420 ps / 430 Nm stock. Final figures depend on the car's condition and are measured on our dyno after mapping.

Where is the remap done?

At the Microchips Tuning workshop, Dimitsanas 6, 183 46 Moschato (Athens), on our own 4WD Dimsport dyno. The calibration is written for your specific car, with a before/after graph.

Can it be returned to stock?

Yes. We keep the original ECU file, so the car can always go back to the factory calibration.

Audi A4 B7 RS4 4.2L V8 420hp chiptuning — Stage 1: 440 ps / 455 Nm · Microchips Tuning