Just wanted to share in case anyone else runs into (DME internal fault – main relay activation).
Switch multimeter to .
Open the hood and remove the engine cover. Look at the wiring harness near the front of the valve cover. Unwrap the tape. You are looking for a tiny nick in a yellow or red wire (5V reference lines). bmw 03082f
To prevent similar issues in the future, it's recommended to: Just wanted to share in case anyone else