Khumo tires are definately good for the money. Weither or not the Yokos you want are not good for our cars, I'm not to sure, but check with you local BMW Dealer. If you want something better you could go with Michelin Pilot Sport, or Bridgestone Potenza S0-3, but to say one tire is better then the other is really ones personal preference. I have S0-3's, I like them because they're great in the rain and I believe theyre all around a great tire (except for the price) but lets face it, we do have M3s, so you cant be afraid of spending a pretty chuck of change on them.