Bobcat

 
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NUVI 660, Late 2012 iMac, Macbook 2.1 Fall 2008, iPhone6 , Nuvi 3790, iPad2

Yes, sort of

The .csv needs to be converted to a .gpx

I use the Mac Garmin tools to do this.

They can be found at

http://www.hearsay.demon.co.uk/mac/MacGarminTools/

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Nüvi 200,750 & Mac OS X