what are these files

gmaptz.img

D3084010A.JCV for Nuvi 7x5 Europe full coverage
D2504040A.JCV for Nuvi 37xx Europe full coverage
D2666030A.JCV Western Europe Full lane assist

JCV high resolution -- LaneAssistFull D2504040A.JCV ( Size: 692129)

D3084010A.JCV posted by andy

D2666030A.JCV posted by lolypop000

D2331050A.G2S (uncompressed 307 mb)
D2331050A.rar (257,5 MB )

Traffic trends -- 154 MB (162.174.976 byte)
D317400.db
D317400.7z (21,7 MB)