You guys might want to do a little bit of research on the M3Post side before spending almost $10k on wheels/tires for your $100k M5's and dealing with headaches down the line... Just read up on all of this smh
http://www.m3post.com/forums/showthread.php?t=717258
http://www.m3post.com/forums/showthread.php?t=664569
http://www.m3post.com/forums/showthread.php?t=596608