Variant 1
ECU- Catalog engine
- 1800 158HP
- Controller brand
- EFI
- ECU
- K4
- Stock power
- 158 HP
- ECU SW
- A117M0110H
- ECU HW
- A117M0109F
- Calibration
- A117M0110H
LOTUS · K4 ECU
LOTUS ELISE K4 tuning files
The LOTUS ELISE on the K4, mapped from stock file to finished result. Stock output across the matched variants spans 122–158 HP. 5 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Each file is tied to the precise software on your car and checked before it goes out.
Available solutions
What we can run on the K4 for this vehicle — the precise options narrow down by engine and software version.
Engine variants & ECU software
5 distinct variants for the LOTUS ELISE on the K4 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 1800 158HP
- Controller brand
- EFI
- ECU
- K4
- Stock power
- 158 HP
- ECU SW
- A117M0110H
- ECU HW
- A117M0109F
Variant 3
ECU- Catalog engine
- 1800 122HP
- Controller brand
- EFI
- ECU
- K4
- Stock power
- 122 HP
Variant 4
ECU- Catalog engine
- 1800 122HP
- Controller brand
- EFI
- ECU
- K4
- Stock power
- 122 HP
- ECU SW
- B117M0040H
- ECU HW
- B117M0039F
- Calibration
- B117M0040H
Variant 5
ECU- Catalog engine
- 1800 122HP
- Controller brand
- EFI
- ECU
- K4
- Stock power
- 122 HP
- ECU SW
- C117M0040H
- ECU HW
- C117M0039F
- Calibration
- C117M0040H
Related vehicles
Other vehicles built on the K4 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the LOTUS ELISE on the K4?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the K4 ECU software on this model?
Yes — the LOTUS ELISE on the K4 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.