If "v3.4" refers to the achievement in Career Progress, here are the core requirements to master it:
: Complete 25 separate robbery contracts from your Auto Shop. GTA5TunersGenZ v3.4 ....4 for 1
The Tuners update focused on car culture, introducing the and high-stakes "Contract" missions. If "v3
: Players can purchase these to run legal vehicle customization businesses and illegal Contract heists. GTA5TunersGenZ v3.4 ....4 for 1
: Unlock 10 Platinum awards specifically for Los Santos Tuners.