Trying https://chrome.google.com/webstore/detail/bgpmiljelfnilfcfmoppijdkmccbccel returns (tested). So it’s not a published extension ID.
Are you seeing specific or performance issues associated with this extension ID? undetected chrome extension with Opera - Stack Overflow bgpmiljelfnilfcfmoppijdkmccbccel
If you generate random strings for testing, consider: Trying https://chrome