2012 BMW Z4 sDrive35is Roadster (E89) – Specs & Price 2012 BMW Z4 sDrive35is Roadster (E89) – Specification & Price Top speed 250 km/h 155 mph 0-100 km/h 0-62 mph 4.8 seconds Power & torque 340 hp 250 kW 450 Nm @ 1400 rpm hp / weight 213 hp per tonne Displacement R6 3 litre 2979 cc Weight 1600 kg 3527 lbs Price 70 000 $