the z3/z4 are different cars having had both the z4 ticks all the boxes for me it seems every one wants to compare them, the truth is they are both z,s both good cars and personnel taste and need will always be a big factor for owning a car, the car i always wanted was a boxster, but drove the 4 and the rest was history for me the z4 gives me the boot space i like, but saying that if i had not seen this z4 for sale i would still have had the z3 but buying the z4 as to be one of the best moves i made, it is a weekend car but use it every chance i get, and for all you z3 owners good on you enjoy, but dont get why you have problems with the z4