Many of us have done this and have heard the difference. Some of us have gone so far as to not only remove the BII, but to also power the analog side of the MKI with an external power supply and make modifications to some of the circuitry. The latest mod is shorting out unused inputs such as USB and I²S.
There’s a topic here on the forum where we’ve collectively been sharing tweaks to the MKI. It’s rather long now. There are at least a dozen different proven member tested updates.
There’s also this if you want to read a shorter topic about streamers: