PEUGEOT · ML4.1 ECU · petrol

PEUGEOT 309 ML4.1 tuning files

Tuning file coverage for the PEUGEOT 309 running the ML4.1 ECU. Stock output across the matched variants spans 160–160 HP. There are 2 distinct variants on file for this combination. On this petrol engine the focus is sharper throttle and useful, repeatable gains. We match the right calibration to your exact software and validate it before delivery.

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Available solutions

What we can run on the ML4.1 for this petrol — the precise options narrow down by engine and software version.

Stage 1Stage 2Swirl Flaps OffLambda / O2OPF/GPF Off

Engine variants & ECU software

2 distinct variants for the PEUGEOT 309 on the ML4.1 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1900 16V 160HP
Controller brand
BOSCH
ECU
ML4.1
Stock power
160 HP

Variant 2

ECU
Catalog engine
1900 160HP
Controller brand
BOSCH
ECU
ML4.1
Stock power
160 HP

Related vehicles

Other vehicles built on the ML4.1 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the PEUGEOT 309 on the ML4.1?

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 ML4.1 ECU software on this model?

Yes — the PEUGEOT 309 on the ML4.1 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.

PEUGEOT 309 ML4.1 ECU Tuning Files | TuningBay