The Automotive Clinic — Tuning Files

Software 10SW036940 Bosch MG1CS003

4 master projects carry this software number, 4 with a modified version. Upload your read to have the tune transferred into your own file, or buy the file exactly as we hold it by software number. Modified files from $275, original (stock) files from $75 AUD. Trade accounts see their own pricing after log in.

Fitted to

BMW 3 Serie - Sedan iL 320i 184hp (B48)
BMW 3 Serie - Sedan
BMW 4 Serie - Coupe
BMW 1 Serie - 5drs 20i

ECU

Bosch
MG1CS003
Bosch

Hardware / part numbers

#DME__8x1#D1#PST
DME8.4.1-B48-LK-B20-M0-F030-ECE--EU6d-_T
DME8.4.1-B48-LK-B20-M0-F032-ECE--EU6d-_T
DME8.4.1-B48-LK-B20-M0-F35-CHN-CHN6b--_H

Read with

any full read from your flashing tool

Modifications available

Have the read? Upload it.
Your own file comes back with the modification built in, checked for a 100% match before it's offered.
Upload your read →
Can't read the ECU? Buy by software number.
The stock or modified file exactly as we hold it, to write with your tool. Make sure your ECU carries 10SW036940 and the same hardware number.
See files & prices →

Vehicle pages: BMW 1 Serie - 5drs · BMW 3 Serie - Sedan · BMW 3 Serie - Sedan iL · BMW 4 Serie - Coupe

Files are supplied for off-road / motorsport use; checksums are corrected by your flashing tool on write. Last project update 2026-01-22.

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