Generic OBD2 bluetooth to Garmin Nuvi possible? (1 Viewer)

e9999

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OK, this may be a long shot but I have to ask:

does anybody know if it's possible to pair one of these generic OBD2 bluetooth gizmo (as in ELM327) with one of the Garmin Nuvi GPS devices that can handle their own Ecoroute HD? The latter is a bluetooth device as well.

I suspect that Garmin will likely have used some sort of proprietary transmission standard or other protection to prevent exactly this runaround, but one can hope...
 

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