BMW Z4 Roadster (E85) 3.0i SMG transmission Japanese Specs Fully Restored New Tyres New Rims New Battery New Red Interior Engine & Performance Engine: 3.0-liter inline-6 Power: 231 hp @ 5,900 rpm Torque: 221 lb-ft (300 Nm) @ 3,500 rpm 0–100 km/h (0–62 mph): 5.9 seconds Top Speed: 250 km/h (155 mph) Chassis & Suspension Front Suspension: MacPherson strut Rear Suspension: Multi-link independent Brakes: Four-wheel disc brakes with ABS