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Engine
The BYH 4.2 V8 32v FSI Quattro is a Petrol engine with 420 hp. We tune it in 1 vehicle variants from Audi (model years 2007–2015).
ECUs
Depending on vehicle and model year, one of these ECUs controls the engine.
Guide values for Stage 1 on stock hardware. Your vehicle’s product page shows the exact figures.
Visit us on site, or just send in the ECU. The work is identical, and so is the price.
Price for the software calibration. It depends on power, model year and access (OBD or bench/boot); your vehicle’s product page shows the exact price.
Vehicle variants
Open your vehicle’s page with power, stages and price. (1 models · 1 variants)
Pick brand, model and engine, and the configurator shows power, stages and price for your vehicle.
Open configuratorFAQ