Dealership can get the updated maps from BMW or you can pay a few bucks for the update like I do (my dealership struggled with the file size). It's ~30GB download then transfer to USB key, insert into car and follow prompts. I have used https://easybimmercoding.com multiple times with great success.My 2022 Supra 3 infotainment screen came with an outdated GPS map. What is the best way to update it?