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Siemens MS41 original ECU files

Stock reads of the Siemens MS41 for BMW, Rolls Royce and more.

VehiclesMap packsAll HW and SW numbers

WinOLS map packs for this ECU
Original + every map named, axes checked — from €54.
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Siemens MS41 files

30 files €18 each · card · by e-mail
BMW 3 Series2.0 166hp
Siemens MS41
CAL23417104
€18
BMW 3 Series2.5 170hp
In stockMap pack · 11 maps
Siemens MS41
SW6577205020CAL2341P114
€18
BMW 3 Series2.5 24V 170hp
Siemens MS41
CAL6560ED11
€18
BMW 3 Series2.8 24V 193hp
Siemens MS41
CAL21596104
€18
BMW 3 Series2.8 24V 193hp
Siemens MS41
CAL4212O10D
€18
BMW 3 Series2.8 24V 193hp
In stockMap pack · 6 maps
Siemens MS41
CAL3642M117
€18
BMW 3 Series2.8 24V E36 193hp
Siemens MS41
CAL23411124
€18
BMW 5 Series2.0 150hp
Siemens MS41
CAL23411134
€18
BMW 5 Series2.0 150hp
Siemens MS41
CAL22411104
€18
BMW 5 Series2.5 170hp · M52B25
Siemens MS41
CAL23419413
€18
BMW 5 Series2.8 24V 193hp
Siemens MS41
CAL23417104
€18
BMW 5 Series4.0 V8 32V 286hp
Siemens MS41
CAL2241N104
€18
BMW 5 SeriesBMW SERIE 5 528i 2800 24V E39 193hp
Siemens MS41
CALQ6900015
€18
BMW Z Series2.8 24V 192hp · M52B28
In stock
Siemens MS41
CAL2341T104
€18
Rolls Royce Silver Seraph4.2 322hp
Siemens MS41
HW0261204466SW1037357132
€18
BMW 3 Series2.0 166hp
Siemens MS41
—
€18
BMW 3 Series2.0 24V 150hp
In stockMap pack · 25 maps
Siemens MS41
—
€18
BMW 3 Series2.5 24V 170hp
Siemens MS41
—
€18
BMW 3 Series2.8 190hp · M52B25
Siemens MS41
—
€18
BMW 3 Series2.8 193hp
In stockMap pack · 25 maps
Siemens MS41
—
€18
BMW 3 Series2.8 24V 193hp
In stockMap pack · 10 maps
Siemens MS41
—
€18
BMW 3 SeriesM3 3200 24v 243hp
Siemens MS41
—
€18
BMW 3 SeriesM3 3200 24v 243hp · S50B32US
In stockMap pack · 9 maps
Siemens MS41
—
€18
BMW 5 Series2.0 150hp
In stockMap pack · 25 maps
Siemens MS41
—
€18
BMW 5 Series2.5 170hp
Siemens MS41
—
€18
BMW 5 Series2.5 170hp · M52B25
Siemens MS41
—
€18
BMW 5 Series2.8 24V 193hp
Siemens MS41
—
€18
BMW 5 Series2.8 24V E39 193hp
In stockMap pack · 6 maps
Siemens MS41
—
€18
BMW 5 Series520 2000 E39 150hp
Siemens MS41
—
€18
BMW 5 SeriesBMW SERIE 5 528i 2800 24V E39 193hp
In stockMap pack · 5 maps
Siemens MS41
—
€18

Vehicles with a Siemens MS41

Siemens MS41 files are listed for 2 makes and 4 models, the most listed first.

ModelEnginesFiles
BMW29
3 Series2.8 24V 193hp 4, 2.0 166hp 2, 2.5 24V 170hp 2, M3 3200 24v 243hp 2, 2.5 170hp 1 +415
5 Series2.0 150hp 3, 2.5 170hp 3, 2.8 24V 193hp 2, BMW SERIE 5 528i 2800 24V E39 193hp 2, 4.0 V8 32V 286hp 1 +213
Z Series2.8 24V 192hp 11
Rolls Royce1
Silver Seraph4.2 322hp 11

Siemens MS41 map packs in figures

13 packs, 5 to 25 maps each, median 10.

CategoryPacks with itMedian maps
Limiters100%2
Spark Advance100%3
Injection System100%5
Variable Valve Timing (VVT)31%0
Air Control31%0

Named by the most packs: RPM Limiter 62%, Requested Lambda 62%, Maximum speed of vehicle 62%, Spark Advance at full load 54%, Spark advance part throttle 38%, Injection at part throttle 38%, Rev Limiter 38%, Lambda sensor 38%.

All Siemens MS41 HW and SW numbers

1 HW number and 2 SW numbers, by make. Beside each HW, how many SW versions it carries. A number opens a file that shows it.

Rolls Royce 1 HW · 1 SW
HWSW versions
02612044661 1037357132
BMW 0 HW · 1 SW
Model, no HW listedSW versions
3 Series1 6577205020