How to replace BMW F11 engine control unit?

Case

- replace the used engine module to F11 2012, because the original was totally dead after incorrect power connection during chip-tuning and remained forever in the parking lot. as a consequence of the lack of communication on the table with the processor in the boot mode.


Tool:

BMW ICOM A2/ICOM Next emulator with ISTA-D ISTA-P programming software



How to:

1. Readout of the immo CAS4 data

2. After reading the data, it became clear that CAS4 EWS5 crypto.

3. Next decode CAS4 memory to obtain the synchronization code.

4. Entry of received synchronization code into the new-used DDE741 engine ecu.

5. Change of three VIN codes in the new-used engine control unit.

6. Zeroing the mileage in the new-used engine controller because the mileage in it was 116335km, and in the car 227140km.

Note: * The document was translated from Polish. You are at your risk.