Quote Originally Posted by BMWCurves View Post
  • Smaller diameter anti-roll bars: 23.5 mm front (v. 24mm pre-04/01 ZSP), 18mm rear (v. 19mm pre-04/01 ZSP)
Having just put a larger M3 front bar in place in my car, I'm a bit puzzled by this. Why would smaller bars in a performance-oriented car have been seen as a plus?

Also: are the trim rings on the gauges part of the ZHP package?