I raced a 135i in my G37x, from 50 maybe but he had started accelerating maybe 3 s before me. The lead was at least 5-7 car lengths. I knew I had to change cars at that stage. Did I mention the road was wet.
EBII '13 335i xDrive
320HP, Sport AT, 403M Wheels, Prem, Tech, Cold, Driver Assist & DH pkgs
AW 2011 X5 35i Premium
300HP, Prem, Convenience, Cold and Tech packages