The screen should change from "Search download CD" to "Reading." Confirm Update:
This specific version—240—is a standard bootloader version found on many BMWs running NBT and NBT EVO systems. The "H43" likely refers to a hardware or interface variant within the iDrive ecosystem. Instead of loading your normal infotainment features, the system is waiting for external media (like a USB drive) containing the correct firmware to reinstall the software from scratch.
Allow the system to run through its programming cycles. The screen may reboot or go dark multiple times. . bootloader version 240 mmi h43 download new
: Ensure your battery is connected to a charger or the engine is running to prevent a power failure during the 30–60 minute process. Potential Risks & Considerations Hardware Damage
A: According to OEM release notes (Oct 2023): The screen should change from "Search download CD"
usually appears when the "Start Bootloader" option was accidentally selected in the Audi MMI 2G "Hidden Green Menu". This state locks the system, which will remain stuck on this screen and can potentially drain the car battery until the correct firmware CD is provided. Solution: How to Exit Bootloader Mode
system. This screen typically appears when the "Start Bootloader" option is accidentally selected in the hidden "Green Menu" or when a firmware update fails, leaving the system stuck in an "Application Update" loop. How to Resolve the Bootloader Loop Allow the system to run through its programming cycles
To exit this screen, you must provide the system with the original firmware files via a CD. 1. Obtain the Correct Firmware