The more I mess around with hub drives (I've had a geared front hub motor for several years and tried it on a few bikes and just got a geared rear hub motor and testing it on a bike before installing on a tandem) the more I appreciate the Yamaha mid drive which has a natural biking experience, simple to use and has been problem free (similar experience with a Tongsheng mid drive that I put on a bike for my wife).Congrats on your BH Gravel-X with the Yamaha mid-drive... I have a riding buddy who loves his!
You may want to consider adding Slime to your tubes for additional protection... works like a charm.
I've used Slime tubes or added Slime to regular tubes in the past and not fond of it. It tends to blow out of the valve when checking pressure no matter the stem location and after a few years I've found that it separates into a thin watery mess that didn't plug a puncture. Changing out a tube is quick and easy for the BH Gravel bike, definitely not for the hub motors.