Hello~ I recently moved from a M3 to a 2019MX and I wish I drill had the keyless entry functionality via the phone.
Previously I only carried my wallet but now I need the fob or use the app to start the vehicle.
Has anyone implemented or considered using a 3D printer to create a flat key (with or without buttons)?
From Googling, it looks like it's been done for other car makes (example: 3D print a thinner car key)
Image of key PCB from
Is it worth while to buy another key and have it programmed to the car though
Previously I only carried my wallet but now I need the fob or use the app to start the vehicle.
Has anyone implemented or considered using a 3D printer to create a flat key (with or without buttons)?
From Googling, it looks like it's been done for other car makes (example: 3D print a thinner car key)
Image of key PCB from
Is it worth while to buy another key and have it programmed to the car though