B58 / MG1 Bench Unlock for OBD Flashing

Basic Information

BMWs Modern models with B58 Engines use Engine Computer model called DME 8.6.1 or DME861 also known as MG1 or to be more precise MG1CS003.


These cars are:

  • BMW M240i - F22, F23, F23(n), 

  • BMW 240iX - F22

  • BMW 340i - F30(n)

  • BMW 340iX - F30(n), F34(n)

  • BMW 440i - F32(n), F33(n), F36(n)

  • BMW 440iX - F32(n), F33(n), F36(n)

  • Toyota Supra MK V

Problem Description

After certain updates, it is not possible anymore to flash this engine computers thru OBD port, and they need process called Bench Unlock for it.


We do offer Bench Unlock for MG1 engine computers, and after this unlock, you can flash it thru OBD.

How it works

You will need to send us the engine computer, we do Bench Unlock, without opening, thru regular connectors and send it back.

As majority of our services, it is same day turnaround

You can find MG1 at this location:


** Please keep in mind, The shipping type you choose during checkout, is for return shipping only.

Supported Part Numbers:

  • 8692964

  • 8664545

  • 8655735

  • 8489450

  • 9470885

Please let us know if you cant find part number of your module in this list.