BMW 3 Series (330i 3000 231hp) Siemens MS43 B137651N Original ECU File
About this file
Here is original ECU file for BMW 3 Series 330i 3000 231hp: Siemens MS43. To buy the original file, you need to register on our file-service or log in (if you have an account) and recharge your account. Also you can find all available options on our platform for emissions removal (DPF, EGR, AdBlue) or improving power with stage 1/2/3 or ECO tuning.
What you receive
- One original (stock) ECU file in binary format, exactly as read from the control unit — no modifications.
- Download from your account right after the purchase, 24/7.
- A standard read from Alientech tools (KESS3 / K-TAG) — open it in WinOLS, ECM Titanium or any editor.
Before you order
- Compare HW, SW and calibration with your own read — the identifiers decide, not the vehicle name.
- Several files can share one SW number: then the calibration / SW upgrade tells them apart.
- Not sure? Ask us on WhatsApp before buying.
File specifications
| Brand name and model | BMW 3 Series |
| Engine power | 330i 3000 231HP |
| Engine code | — |
| ECU brand name | SIEMENS |
| ECU model name | MS43 |
| ECU hardware | — |
| ECU software | — |
| ECU calibration | B137651N |
| ECU SW upgrade | B137651N |
| DAMOS / map pack ID | CA430037 |
Need it tuned?
We modify this exact ECU for you
- Stage 1 / Stage 2 / ECO
- DPF / FAP OFF
- EGR OFF
- AdBlue / SCR OFF
- DTC OFF
- Speed limiter, Start&Stop and more
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