You're welcome!
I have no idea which pack was in 5.5, I guess you just download everything to be sure you've got them all or if you are sure you downloaded all the packs before the update packs then just those update packs, have fun!
Change Lanes mame arcade bezel
changela.zip
I tried to recreate the bezel artwork, it's not perfect in a symmetrical sense but it's something to look at lol Feel free to use: