Variant 1
ECU- Catalog engine
- 3000 340HP
- Engine code
- N54B30
- Controller brand
- DELCO
- ECU
- E39
- Stock power
- 340 HP
- ECU SW
- 12647088
- ECU HW
- 12639706
- SW upgrade
- 12647354
- Calibration
- 0044CC0INA0SIHU7S
BMW · E39 ECU
BMW Z SERIES E39 tuning files
Everything we work with on the BMW Z SERIES fitted with the E39. Across the matched variants stock power runs from 340 to 340 HP. Stage 1 and Stage 2 are the safe starting points for this platform. Each file is tied to the precise software on your car and checked before it goes out.
Available solutions
Applicable work for the E39 on this vehicle. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
1 distinct variant for the BMW Z SERIES on the E39 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the E39 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the BMW Z SERIES on the E39?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the E39 ECU software on this model?
Yes — the BMW Z SERIES on the E39 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.