Fold mirrors immediately upon locking via the comfort access or key fob. Module: BDC_BODY Parameter: KOMFORT_SCHLIESSEN -> 00 (Value for delay)

Generally, coding is done with the ignition ON but the engine OFF. However, for some long-running processes, a steady power supply is vital.

Always connect a battery charger/stabilizer. If the voltage drops below 12.5V during coding, you risk data corruption.

BMW G30 E-Sys Cheat Sheet: The Ultimate Guide to "Extra Quality" Coding

Always "Read Coding Data" and save a copy of your original NCD files before making any changes.

Code one module (e.g., BDC_BODY) and test it before moving to the next (e.g., HU_NBT). Conclusion