How to disable Remote Software Upgrade on your BMW to prevent loss of aftermarket flash tune
To prevent loss of your aftermarket performance flash based tune on vehicles equipped with the Remote Software Upgrade feature on the late BMW models, we recommend disabling this feature in the iDrive system by following these 5 steps:
GEN 2 VEHICLES
Step 1:
On the MyBMW app, select “Vehicle Settings”
Step 2:
From the “Vehicle Settings” menu, select “Download Automatically” and select "OFF"