How to Replace BMW CAS3 N20 ECU with CGDI Prog BMW
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How to: change replace the BMW CAS3 N20 Engine Computer using CGDI Prog BMW key programmer.
When is required:
A secondhand/used N20 ecu was to used to replace the original N20 engine computer.
Procedure:
Read engine ECU data with CG100 Prog
Note: Only CG-100 full-featured can do this.
Click to enter “ECU”
Click on the engine model option to enter the current vehicle
According to the software physical wiring diagram wiring
Engine module wiring
Click ‘Read EEPROM’
Read successfully and save the data
Show ISN and VIN
Connect CGDI BMW with vehicle via OBD socket through main cable
Select BMW ISN
Click “Read CAS ISN”
CAS ISN read successfully
Input ISN which read through CG100
Write successfully, replace engine computer was completed.
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