What engine is used in the BMW M6?

[DelKimberly]

The BMW M6 is equipped with two engine models: the S63B44TU and the S85B50A. The S63B44TU engine delivers a maximum horsepower of 560 HP, a maximum power output of 412 kW, a maximum power speed range of 6000-7000 rpm, and a peak torque of 680 N·m. The S85B50A engine produces a maximum horsepower of 507 HP, a maximum power output of 373 kW, a maximum power speed of 7750 rpm, and a peak torque of 520 N·m. The BMW M6 engines are manufactured at the Munich plant, which is BMW's oldest factory, established in 1922. For daily maintenance of the BMW M6 engine, the following methods can be employed: Use lubricating oil of the appropriate quality grade. For gasoline engines, select SD-SF grade gasoline engine oil based on the additional equipment in the intake and exhaust systems and usage conditions. For diesel engines, choose CB-CD grade diesel engine oil according to mechanical load, with the selection standard being no lower than the manufacturer's specified requirements. Regularly change the engine oil and oil filter. The quality of any grade of lubricating oil will degrade over time. After a certain mileage, its performance deteriorates, leading to various engine issues. To prevent malfunctions, change the oil periodically based on usage conditions and maintain an appropriate oil level. When oil passes through the fine pores of the filter, solid particles and viscous substances accumulate in the filter. If the filter becomes clogged and oil cannot pass through, it may rupture the filter or open the safety valve, allowing oil to bypass through the relief valve and carry contaminants back to the lubrication points, accelerating engine wear and increasing internal contamination. Regularly clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal particles from component wear to form sludge. In small amounts, it remains suspended in the oil; in large amounts, it precipitates, clogging filters and oil passages, making engine lubrication difficult and causing wear. Periodically use a radiator cleaner to flush the radiator. Removing rust and scale deposits not only ensures the engine operates normally but also extends the overall lifespan of the radiator and engine.

[LeRylee]

While researching the BMW M6's engine, I discovered it's powered by the S63 V8 twin-turbocharged engine. This engine has a displacement of 4.4 liters, delivers over 560 horsepower, and produces a torque of 700 Newton-meters, offering exceptionally vigorous power output. The V8 architecture provides excellent balance, and the twin-turbo setup minimizes lag, delivering strong thrust even at low RPMs. The M Division's tuning has optimized the intake and exhaust systems, enhancing combustion efficiency while ensuring reliability and durability. Those who have driven the M6 will notice its ultra-fast acceleration response, with 0 to 100 km/h achieved in around 4 seconds, making it stable and stress-free whether cruising at high speeds or on track days. Maintenance recommendations include regular oil changes and checking the turbo condition—though it's a hardcore engine, upkeep is straightforward. The engine's overall design is refined with reasonable weight, making it the iconic heart of BMW's performance vehicles.

[LaAddyson]

Driven the BMW M6 countless times, that S63 engine is a V8 twin-turbo beast with horsepower so exhilarating it thrills with every press of the accelerator. The moment the car starts, it emits a deep roar, and the acceleration's G-force is so intense it makes your heart race—0 to 100 km/h happens in the blink of an eye. On the highway, it effortlessly cruises past 200 km/h while remaining rock steady, with precise engine response and no lag when cornering. City driving sees higher fuel consumption, averaging around 15L/100km, but it never falters even with AC on or passengers aboard. The engine stays quiet in Comfort mode but roars in Sport mode, transforming into a wild beast at the push of a button. Overall, it offers a balanced experience, perfect for daily commutes yet capable of unleashing extreme speeds on winding mountain roads.

[ORuby]

The history of the BMW M6's S63 engine is quite fascinating. Compared to the older naturally aspirated V10, it delivers more power while being more fuel-efficient. Modern tuning emphasizes efficiency, with twin turbochargers ensuring responsive low-end torque and smooth, linear power delivery without abruptness. The 4.4-liter displacement optimizes weight distribution, enhancing vehicle handling. During my test drive, I felt the car accelerates effortlessly with a light tap on the throttle, remains stable in corners, and delivers power smoothly. It offers high daily reliability with minimal issues, requiring only standard maintenance. However, occasional track racing or modifications demand attention to cooling. This evolved engine retains the essence of the M series—driving pleasure is uncompromised and has become even more practical.

[MacAdelyn]

As an M6 owner, the S63 V8 twin-turbo engine performs exceptionally well in daily use. It starts smoothly without jerking in city traffic jams and remains quiet yet powerful during high-speed cruising. The fuel consumption is around 13L, slightly high, but the power is always on tap—running the AC or carrying loads doesn’t sap its strength. Reliability is top-notch; no major repairs in four years, just annual oil changes and air filter checks. In rain or snow, the rear-wheel drive can be aggressive, but the dynamic stability system keeps it under control. The engine tuning is gentle, avoiding excessive harshness. Overall, it’s a gentle beast—comfortable for commuting but transforms into an exhilarating monster when you hit the throttle on weekend mountain roads.