I think I am going to officially throw my hat in the ring for one of the FASTEST F10 M5s on the planet! This car is ridiculously fast! I cannot believe how much the combo of the tune, DPs and exhaust have made. The car just lights up the tires. Learning to launch this baby is a challenge. I cannot wait until my 21' wheels get here. I am going to run 305s on the rear. Hopefully they give me a bit more grip.