Black Friday 2014 Best Buy: Garmin nuvi 52LM Essential 5″ Lifetime Map Updates Portable GPS for only $79 for Black Friday 2014! November 29, 2014 admin Leave a comment Best Buy will have the Garmin nuvi 52LM Essential 5″ Lifetime Map Updates Portable GPSon sale for $79 this week for a Black Friday 2014 promotion! Link to Best Buy here!