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Stock Problems/IssuesDiscussions related to warranty related issues and repairs, or other problems with the OEM parts and software for MINI Cooper (R50), Cabrio (R52), and Cooper S (R53) MINIs.
The DME relay is the digital motor electronics relay which powers the digital motor electronics, (sensors, coil, ecu, and
few other things) but it's a fuse inside the car in the kick panel.
The map sensor had no voltage because it's part of the DME relay.