B Breaker Elite Jun 8, 2011 #1 The Z4 sounds better! 8) http://wot.motortrend.com/video-find-supercharged-bmw-m3-ess-faster-bmw-z4-10-sounds-better-84095.html
The Z4 sounds better! 8) http://wot.motortrend.com/video-find-supercharged-bmw-m3-ess-faster-bmw-z4-10-sounds-better-84095.html