: Fixing units that have become unresponsive (bricked) during unsuccessful software updates. Important Note for Developers chinabugotech/hutool: A set of tools that keep Java sweet.
The 3.9 update brought several "exclusive" functions designed to simplify complex retrofitting tasks: hutool 39 new
: Version 3.9 is specifically required for handling BMWs with newer integration levels, such as those from late 2019 onwards (e.g., I-Level 1119). : Fixing units that have become unresponsive (bricked)
Hutool 3.9 (and its rebranding as ) introduced critical capabilities for handling newer vehicle integration levels (I-Steps) and head unit management. While Hutool also refers to a popular Java utility library, the specific version "3.9" is most famously associated with the BMW engineering tool release. Key New Features in Hutool 3.9 Hutool 3
: This is considered the most critical addition. It allows users to "wipe" the EEPROM of an NBTevo unit, which is essential when installing a used head unit into a different vehicle or recovering a unit after a failed firmware update.