Siemens MS43 original ECU files
Stock reads of the Siemens MS43 for BMW, Alpina, Land Rover and more.
WinOLS map packs for this ECU
Original + every map named, axes checked — from €54.
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Siemens MS43 files
Alpina B33.3 3000 276hp · M54B30
Siemens MS43
HW5WK9 0015CALO6520025
€18
Alpina B33.0 305hp
Siemens MS43
CALO6500345
€18
Alpina B3S 3000 300hp · M54B30
Siemens MS43
CALO6530245
€18
Alpina B3S 3000 300hp
Siemens MS43
CALO6530145
€18
BMW 3 Series2.2 170hp
Siemens MS43
CALC2568528
€18
BMW 3 Series2.2 170hp · M54B22
Siemens MS43
CALC256852G
€18
BMW 3 Series2.2 170hp
Siemens MS43
CALC256853P
€18
BMW 3 Series2.2 170hp
Siemens MS43
CALC256850G
€18
BMW 3 Series2.2 170hp · M54B22
Siemens MS43
CALC256B52D
€18
BMW 3 Series2.2 170hp · M54B22
Siemens MS43
CALB137856G
€18
BMW 3 Series2.2 170hp
Siemens MS43
CALC256G548
€18
BMW 3 Series2.2 170hp
Siemens MS43
CALC356E50F
€18
BMW 3 Series2.2 170hp
Siemens MS43
CALC256P50R
€18
BMW 3 Series2.2 170hp · M54B22
Siemens MS43
CALC256852D
€18
BMW 3 Series2.2 170hp
Siemens MS43
CALC256E52D
€18
BMW 3 Series2.2 170hp · M54B22
Siemens MS43
CALC3568508
€18
BMW 3 Series2.2 170hp
Siemens MS43
CALC256C50D
€18
BMW 3 Series2.2 170hp
Siemens MS43
CALC256I52G
€18
BMW 3 Series2.2 170hp
Siemens MS43
CALC256954G
€18
BMW 3 Series2.5 184hp
Siemens MS43
HWC666852SW430066
€18
BMW 3 Series2.5 184hp
Siemens MS43
HW7528050SW7000
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC356650I
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC2567548
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC256F548
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC256750F
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC256750G
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC256F50G
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC256752D
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC256B50G
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC256I52G
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC256B55P
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC256750D
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC256L50J
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC256F52K
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC256I548
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC256752D
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC256B548
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC356B50C
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC256752C
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC256I52G
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC356750C
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC256753P
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC256I50G
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC256752F
€18
BMW 3 Series2.5 192hp · M54B25
Siemens MS43
CALC256F52G
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC256B548
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC256I548
€18
BMW 3 Series2.5 192hp
Siemens MS43
CALC256652F
€18
BMW 3 Series2.8 193hp
Siemens MS43
CALC4647508
€18
BMW 3 Series2.8 193hp
Siemens MS43
CALC464750F
€18
Vehicles with a Siemens MS43
Siemens MS43 files are listed for 3 makes and 8 models, the most listed first.
| Model | Engines | Files |
|---|---|---|
| BMW | 383 | |
| 3 Series | 330i 3000 231hp 107, 320i 2200 170hp 65, 3.0 231hp 56, 325i 2500 192hp 33, 2.5 192hp 27 +5 | 324 |
| 5 Series | 525i 2500 192hp 21, 530i 3000 231hp 5 | 26 |
| X Series | 3.0 231hp 16 | 16 |
| Z Series | 2.2 170hp 11, 3.0 231hp 4 | 15 |
| X3 | 3.0 231hp 1 | 1 |
| X5 | 3.0 235hp 1 | 1 |
| Alpina | 4 | |
| B3 | S 3000 300hp 2, 3.3 3000 276hp 1, 3.0 305hp 1 | 4 |
| Land Rover | 2 | |
| Freelander | 2.5 177hp 1, 2.5 200hp 1 | 2 |
How to identify your Siemens MS43 file
How the numbers on this ECU type start:
- HW 75181… 9 of the 15 files with a HW number, 60%
Siemens MS43 map packs in figures
14 packs, 50 to 69 maps each, median 55.
| Category | Packs with it | Median maps |
|---|---|---|
| Variable Valve Timing (VVT) | 100% | 4 |
| Air Control | 100% | 19 |
| Limiters | 100% | 12 |
| Engine Torque | 100% | 8 |
| Spark Advance | 100% | 6 |
| Injection System | 100% | 6 |
Named by the most packs: Idle engine speed f(ECT) 100%, Lambda Sensor 100%, RPM Limiter 100%, Airflow mass through throttle valve 100%, Optimal engine torque 100%, Limiter of Maximum torque 100%, Throttle valve 100%, Maximum speed of vehicle 100%.
All Siemens MS43 HW and SW numbers
5 HW numbers and 4 SW numbers, by make. Beside each HW, how many SW versions it carries. A number opens a file that shows it.
BMW 4 HW · 4 SW
| HW | SW versions |
|---|---|
| 7518111 | 1 7515528 |
| 7519308 | no SW listed |
| 7528050 | 1 7000B |
| C666852 | 1 430066 |
| Model, no HW listed | SW versions |
|---|---|
| 3 Series | 1 7519308 |
Alpina 1 HW · 0 SW
| HW | SW versions |
|---|---|
| 5WK9 0015 | no SW listed |