: Once in the Engineering Menu, you select "Update" and choose the source (SD card). The system will scan the files to ensure the version (P2873) is compatible with your current hardware. Standard vs. Custom
:
Reviewed by: TechInstall Labs Date: April 2026 Test environment: Standard test bench, firmware base v3.52 mh2peraug35p2873 install
: Users with a BOSE Audio System should proceed with caution. Updating the firmware can sometimes reset sound parameters or require "parameterization" to keep the BOSE amplifier functioning correctly. Performance Review : Once in the Engineering Menu, you select
If you are planning to install this update yourself via a third-party source like EuroNavMaps , keep the following in mind: : You will need a high-quality 16GB or 32GB SD card to hold the update files Bose Audio Warning : If your vehicle is equipped with a BOSE Sound System Custom : Reviewed by: TechInstall Labs Date: April
Secure the back box or bracket flush with the mounting surface. If installing in a wall, ensure it is square with the studs. Wiring Connections: