Tandem problem:
1 tandem = dead tank, dead LAV, BTR-82 and so on.
Too many tandems on the map, if to play on maps where is the close distance (cities and so on) you encounter with 1 million tandems that nearly one shot you.
C4:
Need more C4 to destroy heavy vehicles like tanks and BTRs, LAVs. Currently, need just throw a C4 and easy vehicle kill.
Tanks are made from wood:
If you get a hit from behind you instantly die, too big a damage modifier for the backside.
BONUS. This is just my preference, but anyway.
Very slow stopping on the vehicle if to press S.