Variant 1
ECU- Catalog engine
- 3500 V6 280HP
- Controller brand
- HITACHI
- ECU
- SH705521N
- Stock power
- 280 HP
INFINITI · SH705521N ECU · petrol
INFINITI M35 SH705521N tuning files
Everything we work with on the INFINITI M35 fitted with the SH705521N. Across the matched variants stock power runs from 280 to 280 HP. On this petrol engine the focus is sharper throttle and useful, repeatable gains. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
What we can run on the SH705521N for this petrol — the precise options narrow down by engine and software version.
Engine variants & ECU software
1 distinct variant for the INFINITI M35 on the SH705521N ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the SH705521N controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the INFINITI M35 on the SH705521N?
Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.
Do you cover the SH705521N ECU software on this model?
Yes — the INFINITI M35 on the SH705521N ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.