On G30, if BMW pushes a full I-level update. However:
BMW "coding" for the (5 Series, 2017–2023) refers to modifying the software parameters within the vehicle's Electronic Control Units (ECUs) to activate features that were disabled from the factory or to customize existing behaviors. Getting Started: The Essentials Diagnostic Mode: To begin coding, the car must be in Diagnostic Mode . With your foot off the brake, press the Start/Stop button three times rapidly Power Stability: bmw coding g30 fixed
If you don't, you cannot revert to "stock" if you mess up. On G30, if BMW pushes a full I-level update