These are both BR2 equipment avalible for germany,and should be lowered to BR1.
The Pz.SFL has very thin armour,open topped,no machine gun,and the gun is the same AT cannon you can just build at BR1 anyways with an engineer,and buying the panzer 3M is more benficial in every single way over this since they are at the same BR.
The MP 3008 is very similar to the Sten,it has the same high dispersion,a slightly slower reload,and fires 110 RPM slower,but has slightly better recoil.
I think these are reasonable requests,and I would be happy to see these go to low BR.