INFINITI · BED501 ECU

INFINITI QX50 BED501 tuning files

Here is what the catalog holds for the INFINITI QX50 on the BED501. The matched variants sit between 268 and 268 HP from the factory. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Upload your file →All QX50 coverage

Available solutions

Solutions that apply to the BED501 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

2 distinct variants for the INFINITI QX50 on the BED501 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2000 268HP
Controller brand: HITACHI
ECU: BED501
Stock power: 268 HP
SW upgrade: 237105NU5A
Calibration: 237105NU5A

Variant 2

ECU

Catalog engine: 2000 268HP
Controller brand: HITACHI
ECU: BED501
Stock power: 268 HP

Related vehicles

Other vehicles built on the BED501 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the INFINITI QX50 on the BED501?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the BED501 ECU software on this model?

Yes — the INFINITI QX50 on the BED501 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.