PEUGEOT · ML4.1 ECU · petrol

PEUGEOT 405 ML4.1 tuning files

PEUGEOT 405 on the ML4.1: matched, calibrated and delivered with care. The matched variants sit between 155 and 158 HP from the factory. 2 distinct variants are catalogued here. Petrol calibration here is about crisp response and a result that holds up day to day. Each file is tied to the precise software on your car and checked before it goes out.

Available solutions

Solutions that apply to the ML4.1 on this petrol platform. The exact set depends on the specific engine and software version.

Engine variants & ECU software

2 distinct variants for the PEUGEOT 405 on the ML4.1 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1900 16V 158HP
Controller brand
BOSCH
ECU
ML4.1
Stock power
158 HP

Variant 2

ECU
Catalog engine
2000 16V 155HP
Controller brand
BOSCH
ECU
ML4.1
Stock power
155 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 405 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 405 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 405 ML4.1 ECU Tuning Files | TuningBay