What is s55 engine?

The S55 engine is a high-performance inline-six engine developed by BMW for use in M3 and M4 models. It is part of the BMW S-series engine family, which features advanced technology and performance enhancements.

The S55 engine is a 3.0-liter twin-turbocharged unit that produces impressive power output and torque. In the latest versions, the S55 engine can produce up to 503 horsepower and 442 lb-ft of torque.

Some key features of the S55 engine include a closed-deck design for increased rigidity, direct fuel injection, dual overhead camshafts, and BMW's Valvetronic variable valve lift system. These features contribute to the engine's overall performance and efficiency.

The S55 engine is known for its smooth power delivery, high revving capabilities, and impressive performance on the track. It has received positive reviews from automotive enthusiasts and critics alike for its combination of power, responsiveness, and sound.

Overall, the BMW S55 engine is a high-performance engine that provides an exhilarating driving experience in M3 and M4 models.