Re: Used Z4 buying dilemma: '03 v. '04 v. 2.5 v. 3.0??
Our 2003 3.0 has been trouble free so far, only 40,000 miles.
My main reason for choosing the 3.0 over the 2.5 was the torque. The larger motor makes more torque at 2000 rpm than the smaller one does at its peak. This means that you always have accelleration available.
It's also more relaxed at highway speeds with the overdrive 6th gear and the taller final drive ratio.
One thing that I've found is that car purchases are 90% emotional and 10% logical (if that). Pick the one you fall in love with!
Bill2003 3.0 6spd perf prem xenon