Audi RS4 4.2 FSI 450hp chiptuning
B8 (2012–2017) · Petrol · ECU: Bosch MED17.1.1
Stage 1: +25 hp & +30 Nm
Engine ECU
Read methods
Available options
With an individually developed Stage 1 tuning file, the Audi RS4 4.2 FSI 450hp with 450 hp and 430 Nm gets 475 hp and 460 Nm – an increase of +25 hp (6%) and +30 Nm. The file is created by our tuning engineers for your exact software version on the Bosch MED17.1.1 ECU and is delivered via our file service portal in 5–15 minutes. Options such as DECAT, DTC Removal, FLAPS, Pop & Bang Crackle map can be combined in the same file.
Values are guide values from our dyno and comparable vehicles. Actual results depend on condition, hardware and fuel quality. Use only where legally permitted.
Technical data
| Fuel | Petrol |
| Displacement | 4163 CC |
| Compression ratio | 11.0 : 1 |
| Bore × stroke | 84.5 X 92.8 mm |
| Engine code | CFSA |
| Gearbox ECU | Temic DL501 Gen1 |
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Create your free account on our file service portal and get 1 free credit to test – your first file is ready in minutes.