Original ECU file

BMW 3 Serie 318i 118hp

Bosch · BMS46

The original file for this software version. Before buying, compare the ECU details with your vehicle and reading tool.

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Vehicle and ECU details

These details identify the file offered here. A matching vehicle model alone is not enough to select the correct file.

Vehicle
BMW 3 Serie 318i 118hp
Vehicle type
Passenger car
Fuel
Petrol
Engine code
M43B19
Displacement
1800 ccm (1.8 L)
Power
86.8 kW / 118 PS
Model year
2000
Transmission
5
ECU manufacturer
Bosch
ECU designation
BMS46
Hardware number
0261204420
Software number
00501946
File size
262.144 Byte
Reading tool
Alientech Kess

For tuners and workshops

A tuning file for your customer's vehicle

Upload the file you have read to our fileservice portal and choose the work required. We modify the file. You download the result and flash the vehicle.

Register in the portal

The file service portal is available in German and English.

Explore the fileservice

One-off shop order

Stage 1 optimisation

Order a Stage 1 modification directly in the shop. The vehicle and ECU details from this page are attached to your order.

After ordering, send the original file you have read and your order number to info@stefanel-performance.com.

179,99 € EUR incl. VAT

Additional tuning options

Available services depend on the control unit and software version. Check the options for your file in the fileservice portal.

AGR / EGR OFF

Disable exhaust gas recirculation

Open the fileservice portal

The file service portal is available in German and English.

Order tuning in the shop – how it works

For an individual shop order, send us your read-out file by email. In the fileservice portal, upload it directly to your order.

  1. Read the original file

    Read the control unit with a compatible tool, such as KESS3, Autotuner or FLEX.

  2. Order your tuning

    Select your service and pay through the shop checkout. Available payment methods are shown there.

  3. Send your file

    Email your read-out original file together with your order number to info@stefanel-performance.com.

  4. Receive the file & flash

    We edit your file and send it back by email. You download it and flash the vehicle.

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Tools and on-site service

Prefer not to read or flash the ECU yourself?

Use our on-site service. Contact us to discuss your vehicle, the required service and a suitable location for calibration and flashing.

On-site service & installation partners

Need help matching the file?

Have your hardware number, software number and reading tool details ready.

Contact us on WhatsApp +49 8031 409 2134