You're welcome, glad that helped.
Try this:
#/etc/systemd/system/restart-bt.service
#systemctl enable restart-bt.service
#systemctl start restart-bt.service
#systemctl stop restart-bt.service
#systemctl disable restart-bt.service
#systemctl status restart-bt.service
#systemctl daemon-reload
[Unit]
Description=Restart Bluetooth Service
Wants=multi-user.target
After=network.target
Wants=bluetooth.target
StopWhenUnneeded=yes
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStartPre=/usr/bin/sleep 3
ExecStart=/bin/bash -c "modprobe btusb; sleep 3; systemctl restart bluetooth"
[Install]
WantedBy=multi-user.target