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The M TwinPower Turbo engine in the BMW M3 Saloon.

The heart of the BMW M3 Saloon is the redeveloped M TwinPower Turbo straight six-cylinder petrol engine, which delivers tremendous power and an unmistakable sound. The interplay of optimally-aligned motor sport technologies provides direct power development with a boost of 431 hp.

M TwinPower Turbo straight six-cylinder petrol engine.

The 3.0-litre M TwinPower Turbo straight six-cylinder engine offers drivers the best of both worlds: high rev characteristics with up to 7,600 rpm and superior power with a maximum of 550 Nm torque. The 431hp M engine accelerates from 0 to 62 mph in just 4.1 seconds. Bi-Turbo direct fuel injection and typical M fine-tuning ensure that the engine responds directly to the slightest touch of the accelerator with tremendous boost and excellent torque. With its motor sport-suitable cooling concept and additional oil sump cover and oil drain pump, the M engine is ready to take on any challenge. Numerous innovations like sleeveless construction and a lighter, forged crankshaft continue the intelligent lightweight concept, improve dynamics and acceleration, lower fuel consumption and enable an optimal weight distribution of almost 50:50. The reward: unprecedentedly agile driving underscored by the unmistakable sound of the M engine.
CO2 emissions in g/km 204.0 [194.0]  [1]
Combined (ltr/100km)
Combined (mpg)
8.8 [8.3]
32.1 [34.0]  [1]
Cylinders/valves per cylinder 6/4
Capacity (cc)
Capacity (cinch)
Stroke/Bore (mm)
Stroke/Bore (inch)
Max output (kW/hp/rpm)
317 (431)/5500-7300  [2]
Max torque (Nm/rpm)
Compression ratio : 1
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Fuel consumption is determined in accordance with the ECE driving cycle, made up of approximately one-third urban traffic and two-thirds extra-urban driving (based on the distance covered). CO2 emissions are measured in addition to fuel consumption. Further information on the official fuel consumption and on the official specific CO2 emissions of new passenger cars can be found in the guidelines on fuel consumption and CO2 emissions of new passenger cars (see The figures for fuel consumption and CO2 emissions apply in conjunction with the equipment selected.
Rated output: BMW recommends the use of super unleaded 95 RON fuel. Unleaded RON 91 fuel or higher with a maximum ethanol limit of 10 per cent (E10) is also permitted. The performance and fuel consumption rates listed are based on the use of RON 98 fuel.
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