Audi RS4 4.2 FSI V8 420hp
Standard
Chiptuning
Difference
BHP
420hp
440hp
20hp
Torque
430Nm
455Nm
25Nm
Engine specifications
Fuel type | Petrol |
Cylinder capacity | 4163 CC |
Compression | 12.50 : 1 |
Type ecu | Bosch MED9 |
Bore x stroke | 84,5 X 92,8 mm |
Engine code | BNS |
Read methods

Alientech Kess
Kess

Alientech K-TAG
KTAG

Autotuner
OBD

CMD
OBD

Dimsport New Genius

Dimsport New Trasdata

Magic Motorsport MAGPRO/Flex
MAGPRO / Flex Bench
Additional options

- Global portfolio of more than 1400+ clients
- 13+ years of experience
- Dyno tested custom files
- Automatic invoicing
- Helpful & friendly helpdesk
- Remapped files for a very reasonable price
- Professional and fast support on every stage of work
- High quality, safe and dyno tested tuning files