Bosch MED9
Manufacturer: Bosch
Type: MED9
Audi RS4 B7 - 2004 - 2008 4.2 FSI V8 420hp
PetrolCode: BNS4163 ccPremium fuel
Performance
Stock vs tuned
All gains based on tested files written by professional calibrators.
Stock
420hp
430nm
Stage 1
440hp+20
455nm+25
Stage 2
455hp+35
470nm+40
Power and torque
Peak figures from our records. Curve shape is modelled, not a dyno trace.
Extra options
Pop & Bang Crackle mapVmaxDTC RemovalDECATFLAPSAnti lagSTART/STOP OFF
ECU
Compatible ECU
Specifications
Technical data
- Displacement
- 4163 cc
- Engine code
- BNS
- Bore
- 84.50 mm
- Stroke
- 92.80 mm
- Compression
- 12.50
- Turbo type
- —
- Fuel
- Petrol
- Premium fuel
- Required
Tuning file for Audi RS4 B7 - 2004 - 2008 4.2 FSI V8 420hp
ECU tuning files for the Audi RS4 B7 - 2004 - 2008 4.2 FSI V8 420hp are written and tested by professional calibrators. Each chiptuning file (Stage 1, Stage 2 and additional services like DPF OFF, EGR OFF and AdBlue removal) is programmed using the latest software and validated through years of remapping experience on the Audi RS4 platform.
Bee Chiptuning specializes in custom ECU remapping for Audi vehicles. Every tuning file we deliver is designed for the best performance gains with a real safe margin remap that respects the limits of your hardware. Whether you want more horsepower, more torque, improved throttle response or better fuel economy, our dyno-tested calibrations deliver consistent and repeatable results on the 4.2 FSI V8 420hp.
Our benefits
- Files written by professional calibrators
- Dyno-tested before delivery
- Stage 1 and Stage 2 calibrations
- Delivered in less than an hour
- Direct support via WhatsApp
Ready to tune?
Sign up and upload your original file.
You'll receive a tested ECU file for this exact engine in less than an hour. Free credit on registration, no card needed.