CAS should be updated without key in slot (ignition off).
Then you need to have extra power supply connected to your battery.Īfter this you are ready to flash your ECU. Files preparation is the important thing first. You need to import all sp-daten files to WINKFP. Depending on what modules you’ll have the update will take several hours. – At least a 50a power supply, better 70a, to keep car at 13.8v while updating modules. (If you want to update CAS then k+dcan cable is enough.) (standalone links available all over net if you wanna use a tested version with safety, go to a online shop to buy it- it’s a good man of his word to trust in)
If you want to update your car yourself in to easiest way possible…you’ll need: This is the user guide of how to update or flash a BMM ECU using WinKFP via a INPA K+DCAN cable ( some also called it ICOM cable). How to Update and Flash BMW ECU via WinKFP
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