The firm all - coil suspension also delivered the harshest, low - speed ride on bumpy tracks, which oddly wasn't the case at higher speeds on gravel roads and over light corrugations. (motoring.com.au)
Sure, the is faster than a 911 Turbo around the intimidating circuit, but a regimented testing procedure on the lumpy and bumpy track also yields huge benefits to real world driving dynamics. (automobilemag.com)
I first drove the M3 and the M4 before these SUVs and drove those on the Sport + mode but it seems that this mode isn't best suited for bumpy tracks. (motorbeam.com)