Man! You're such hard work Geoff, LOL! .... All the map threads are listed in the [Only registered and activated users can see links. ]. The thread for the latest files you need happen to from be the very first listed there presently: [Only registered and activated users can see links. ]. Take the following files from catymag's Post #1 there:
Original gmapprom.img locked, signed; gmap3d locked, signed; CN Europe NTU 2016.30 Foursquare locked, signed img; D3048210A.JCV - Lane Assist Portrait Full; Nuvi 34XX ASR; SID 25x9
Unlock all the img files with [Only registered and activated users can see links. ]. Rename 'gmapprom.img' to 'gmapsupp.img'.
PS: OSM maps are not locked and not signed, so they will work in any unit whether protected fw or not. I'm now wondering if the patching has worked as the GMapTool info seems to indicate your present EU map is unlocked properly. Before you download again, i'll remake the kit for you in case something went wrong with that download, it's much smaller than a map re-download and i won't include the nonvol backup script in it as you've already got those regions ... Standby.
EDIT: Here 'tis:Spoiler:
Same procedure, extract it to a clean microSD. Ensure unit's fully off, insert card and turn back on.