Audi A4 Rs4 420(b7)
ECU Remapping

Audi A4 Rs4 420(b7) remap figures

• Fuel: Petrol
• Standard power: 420 bhp, remapped: 450 bhp (+30 bhp, +7%)
• Standard torque: 430 Nm, remapped: 485 Nm (+55 Nm, +13%)
• Service: stage 1 ECU remap, fully dyno tested

What a remap does for a petrol Audi A4

On a petrol car the ECU controls fuelling, spark timing and any turbo boost. A remap re-calibrates those maps within safe limits, so the car responds more eagerly and pulls harder through the rev range.

Audi A4 Rs4 420(b7) against other A4 engines

Ranked by power gain against the other petrol A4 engines (23 in total), the Rs4 420(b7) is 16th, 6 bhp below the A4 petrol average of 36 bhp.

Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 30 bhp and 55 Nm sits at or above that benchmark.

Audi A4 performance tuning

Our network covers the whole of the UK through local Remap Experts sites. Find your area to get a quote from a specialist near you.

Every remap is fully dyno tested and comes with a 30 day money back guarantee and a lifetime software warranty. Call 0800 779 7864 for a quote.