Hi there,

I downloaded City Navigator® Australia and New Zealand NT 2018.20 for my Garmin Nuvi 255w but I don't know what to do after, I can't open it. File is called gmapprom.img. I have Apple MacBook. No PC.

Please advice me.

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Thanks

Avado Reviewed by Avado on 5th February 2019. AU+NZ map for Garmin 55w Hi there, I downloaded City Navigator® Australia and New Zealand NT 2018.20 for my Garmin Nuvi 255w but I don't know what to do after, I can't open it. File is called gmapprom.img. I have Apple MacBook. No PC. Please advice me. Thanks Rating: 5