THIS MUST BE DONE IN A INVITE ONLY SESSION!
ALSO MAKE SURE SPAWN LOCATION IS ON LAST LOCATION!
Step 1-Grab a random vehicle in an online session and go into LSC.
Step 2-When in, go to the xbox gamestore.
Step 3-When the bottom right screen says "Transitioning to xbox gamestore", sign out of your account.
Step 4-Wait for campaign to load and go to "Game" and then click "Load" and sign back in.
Step 5- Now drive Franklins Buffalo to LSC and drive it in the LSC parshely, like so.
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Step 6-Now press "Start" and got to "Online" and click "Invite only session"
Step 7-Now drive to LSC and the Franklins Buffalo will be there.
You're welcome!