GTA 5 Online "New Single Player To Multiplayer"SP to MP Glitch After "Patch 1.13" GTA 5 Online "New Single Player To Multiplayer" SP to MP Glitch "Patch 1.13" New GTA 5 Online SP to MP Glitch Patch 1.12 Free cars how to bring single player cars to multiplayer without having to use the lagswitch method after the patch 1.13 in GTA V online. This useful glitch we all like to call SP to MP glitch, is not hard and you can pretty much bring any single player car to multiplayer. br br GTA5 Online Patch 1.