What do the 20" advans weigh? What size rubber are you running with them? Are the RS-d's available in 19 inch?
2016 Individual f80 M3 - San Marino Blue/Full Amaro
2012 MR e92 M3 DCT, fully loaded... GONE but not forgotten!
2008 e92 M3 Coupe 6MT | AW/BLK Extended...SOLD!