If you install the GC 110G shared files into your MAW install, the cockpit texture files should be in there anyway. It really doesn't matter where you put texture files as the sim will find them anyway. To keep it clean though, I'd say aircraft/shared/Bf110G_shared would be a good place. Then you'd need to copy the _cockpit0.m3d, _cockpit1.m3d (etc) files into the target model's folder. Back up the existing files by adding X_ to the name, and rename the imported files accordingly. The pilot cockpit is always XXXXX_cockpit0.m3d, where XXXXX is the model name - the same as the name for the external visual m3d. Other cockpits follow this, so cockpit1.m3d, cockpit2.m3d and so on as applicable. You'll probably find that the gunner cockpits don't work properly in any case, but it's worth trying for the pilot cockpits, even if the G-type cockpit isn't quite correct for the D or E-type aircraft.