Just to warn you that this version had a longer chassis.
There was an excellent build in an old AVF modeller magazine.
Below you can find a excellent German modelling blog which can give you many deatils:
I know I am late but maybe still useful.
Your Befehlspanzer 3 looks really excellent.
Regards from Vienna
Visit our modelling show "Go Modelling" in Military Museum in Vienna at 9/10th march 2013