C256F548 Siemens MS43 original ECU file – BMW 3 Series 325i 2500 192hp
C256F548- Vehicle
- BMW 3 Series
- Engine
- 325i 2500 192hp · M54B25
- ECU
- Siemens MS43
- Calibration
- C256F548
55 maps — Air Control, Limiters, Engine Torque, Spark Advance. Original included.
Other numbers for the BMW 3 Series 325i 2500 192hp
32 files cover exactly this car and engine, on Siemens MS43 (32). If your ECU reads differently from this page, 12 of the others:
This file's map pack against other Siemens MS43 packs
Its pack names 55 maps. The 14 Siemens MS43 packs in the archive have 50 to 69 maps, median 55; 7% of them name fewer than this one.
| Category | This pack | Median pack |
|---|---|---|
| Air Control | 19 | 19 |
| Limiters | 12 | 12 |
| Engine Torque | 8 | 8 |
| Spark Advance | 6 | 6 |
| Injection System | 6 | 6 |
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 3 Series: 6 192 files. ECU types: Bosch MEVD17.2.9 (921), Bosch EDC17C50 DDE701a (852), Bosch MEVD17.2.6 (503), Bosch MEVD17.2.4 (391). Engine codes: N20B20 (719), N55B30A (475), B47D20U0 (417), N47D20C (414).
Engine code M54B25: 46 files, on Siemens MS43 (35), Siemens MS45 (10), Siemens MSD81 (1). Listed for BMW 3 Series (28), BMW 5 Series (9), BMW Z Series (7), BMW X Series (2).
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