E46 performance
The M3's S54 naturally aspirated engine produces more than 100 horsepower (75 kW) per litre (343 horsepower (256 kW)/3.2 litre).
343 hp (256 kW; 348 PS) @ 7900 rpm
Torque: 365 N·m (269 lb·ft) @ 4900 rpm
1/4 Mile — 13.3 s @ 104 mph (167.4 km/h)
Top Speed: 185 mph (298 km/h)
Skid Pad: 0.89g