Boris Siljanoski wrote on Friday, June 11, 2010 - 04:36 pm:Friday, June 11, 2010 - 04:36 pm, by: Boris Siljanoski (Z2tt)
UZZ30 = Coil Springs
UZZ31 = Height adjustable Air Suspension
UZZ32 = Height adjustable Active suspension, this adjust itself depending on feedback from many sensors, then suspension adjusts damping etc depending on driving condition etc, hence being called "Active". These also had 4WS (4 Wheel Steering)
Have a read of this :
http://planetsoarer.com/UZZ32/uzz32.html