Unlike comprehensive dealership firmware flashes that code the entire vehicle, UPD05081.bin only targets the of the infotainment system. It updates the specific software sub-versions managed by the iDrive unit:

Here’s a helpful, SEO-friendly blog post draft about the file .

When the update is completed, you will see the following software versions in your iDrive system:

: Fixes issues with phone connectivity and audio dropping during calls.

Obtain a USB drive, preferably 32GB or smaller.

Upd05081.bin a legacy firmware update file specifically designed for BMW and MINI vehicles equipped with NBT (Next Big Thing) iDrive infotainment systems

A: No. Renaming a .bin to .zip does not magically make it an archive. Unless binwalk shows ZIP signatures (rare for firmware), you will just get a corrupt file error.