Variant 1
ECU- Catalog engine
- 2400 16v 185HP
- Controller brand
- DELCO
- ECU
- E83
- Stock power
- 185 HP
- ECU SW
- 12654173
- ECU HW
- 12642926
- SW upgrade
- 24106143
BUICK · E83 ECU
BUICK REGAL E83 tuning files
Tuning file coverage for the BUICK REGAL running the E83 ECU. Across the matched variants stock power runs from 184 to 185 HP. There are 4 distinct variants on file for this combination. For this platform the dependable path begins with Stage 1 and Stage 2. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
Available solutions
Solutions that apply to the E83 on this vehicle platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
4 distinct variants for the BUICK REGAL on the E83 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 2400 16v 185HP
- Controller brand
- DELCO
- ECU
- E83
- Stock power
- 185 HP
Variant 3
ECU- Catalog engine
- 1600 16V Turbo 184HP
- Engine code
- A16LET
- Controller brand
- DELCO
- ECU
- E83
- Stock power
- 184 HP
- ECU SW
- 12639834
- ECU HW
- 12636347
- SW upgrade
- 55578653
Variant 4
ECU- Catalog engine
- 1600 184HP
- Controller brand
- DELCO
- ECU
- E83
- Stock power
- 184 HP
Related vehicles
Other vehicles built on the E83 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the BUICK REGAL on the E83?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the E83 ECU software on this model?
Yes — the BUICK REGAL on the E83 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.