Z4 M Roadster
The Z4 M is powered by a 3.2-litre straight-six engine (S54B32). Performance figures are: 3,246 cc displacement, 333 brake horsepower (248 kW) at 7,900 rpm, 269 lb·ft (365 N·m) of torque at 4,900 rpm, 8,000 rpm redline. Output per litre is 107 bhp (80 kW; 108 PS), and power-to-weight ratio is 9.9 lb/bhp. Acceleration to 60 mph (96 km/h) comes in 4.8 seconds. (0-62 mph / 100 km/h is 5.0) and top speed is limited electronically to 156 mph (251 km/h).
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