B137556G Siemens MS43 original ECU file – BMW Z Series 3.0 231hp
B137556G- Vehicle
- BMW Z Series
- Engine
- 3.0 231hp · M54B30
- ECU
- Siemens MS43
- Calibration
- B137556G
67 maps — Air Control, Limiters, Spark Advance, Engine Torque. Original included.
Other numbers for the BMW Z Series 3.0 231hp
8 files cover exactly this car and engine, on Siemens MS45 (4), Siemens MS43 (4). If your ECU reads differently from this page, the others:
This file's map pack against other Siemens MS43 packs
Its pack names 67 maps. The 14 Siemens MS43 packs in the archive have 50 to 69 maps, median 55; 79% of them name fewer than this one.
| Category | This pack | Median pack |
|---|---|---|
| Air Control | 20 | 19 |
| Limiters | 15 | 12 |
| Spark Advance | 13 | 6 |
| Engine Torque | 8 | 8 |
| Injection System | 7 | 6 |
Named here but in under a quarter of the Siemens MS43 packs: Injection enrichment at full load, Spark advance during cranking.
This ECU and car in figures
Siemens MS43: 386 files, 4 SW numbers, 14 with a map pack. Makes: BMW (382), Alpina (4). Most listed: BMW 3 Series (323), BMW 5 Series (26), BMW X Series (16), BMW Z Series (15).
BMW Z Series: 155 files. ECU types: Bosch MEVD17.2.9 (28), Bosch MEVD17.2.4 (24), Siemens MSV80 (21), Siemens MSD81 (21). Engine codes: M54B30 (9), N52B30 (9), M54B22 (8), N52B25 (8).
Engine code M54B30: 101 files, on Siemens MS43 (94), Siemens MS45 (7). Listed for BMW 3 Series (76), BMW X Series (11), BMW Z Series (9), BMW 5 Series (3).
What you get
- The original (stock) read of this ECU as listed, as a ready-to-use .bin file by e-mail.
- File sizes differ between tools and read methods — check that the numbers match your ECU before buying.
- Original read only: no full backup, EEPROM or tuned file.
- A digital file: all sales are final — no refunds. Terms of sale