How to install the k=9 Unit 

first you need to open up open iv and place the policeold2 in the latest patch day drag & Drop

second you need to go to:

C:\Program Files (x86)\Steam\steamapps\common\Grand Theft Auto V\mods\update\update.rpf\x64\data

and either Drag & Drop my carcols file in there or Ctrl + F and copy this <id value="3"/> hit find twice 

and copy this and replace yours with minds but that's up to you...

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