Quote:
Originally Posted by FlyingWombat24
in a similar situation my self 
Apparently the new updates that bmw installs at the dealerships prevents ecu reflashing such as BootMod 3.
so piggyback may be the only way to go :/ |
This is true, but there are shops that can unlock your ECU if you have an update that actually does lock yours. I had it done last Friday on my '18, allowing me to use BM3 with no issues.