If those abilities and units would have anything to do with what Rommel was known for, it could be nice. And I fear your won't be able to place your Flak 88 since you won't have any engineers.
Kubelwagens can use a special Reconnaisance ability when out of combat for some time.
3 CP Volksgrenadier Support Package
Unlocks ability to upgrade Volks with 3 MP40 SMGs and the ability to repair vehicles.
4 CP 251 Halftrack Call-in
Stat clone of Ostheer one; however, infantry can fire from within it.
8 CP Heavy mortar support
Nearby heavy 120mm mortars barrage all frontline enemy territory's with smoke shells; cut-off enemy territory's get barraged with HE.
10 CP Motorized Assault
All light vehicles move faster and attack more rapidly while ability is active; infantry within range of light vehicles also automatically throw grenades and fight more effectively.