The Notes from what I can translate say the

opel_blitz_grey
opel_blitz
opel_blitz_wheel
opel_blitz_WheelDouble
opel_blitz_tent
opel_blitz_doors_driver
opel_blitz_doors_driver_grey
opel_blitz_doors_codriver
opel_blitz_doors_codriver_grey
opel_blitz_doors_hood
opel_blitz_doors_hood_grey
opel_blitz_doors_hood_two
opel_blitz_doors_hood_two_grey
opel_blitz_doors_trunk
opel_blitz_doors_trunk_grey

motorbike
motorbike_green
motorbike_sand
BMW_R75_wheel
motorbike_ammo_box

Are supposed to be in the Types XML but I don't see them there?