Bmw S55 Engine Max Hp
Discover the full story behind BMW's S55 engine-its specs, reliability, and common problems. Learn how the twin-turbo inline-six redefined M-car performance in the M3, M4, and M2 Competition, delivering over 490 hp while balancing power, durability, and track. S55 Engine Limits? All times are GMT -5.
The time now is 08:08 PM. In this guide, we cover the BMW S55 3.0L twin-turbo inline-6 in detail including engine specs, common problems, popular modifications and more. BMW S55 engine: Learn everything you need to know about this high-performance powertrain.
Specs, reliability, tuning potential, and more. Explore the BMW S55 engine specs, configuration, oil requirements, and service intervals for optimal performance and longevity. BMW S55B30T0 engine Published by John B on 22/04/2025 The BMW S55B30T0 motor is one of three models in the S55 series, which replaced the 8-cylinder S65 fitted to the M3E 90, M3E92 and M3E93, as well as the 6.
In 2014, BMW revolutionized its sporty M models with the introduction of the S55 engine, an inline-six bi-turbo powerhouse. This marked a significant shift as it became the first turbocharged engine in a BMW M car, replacing the previous generation's S65 naturally aspirated V8. Despite having fewer cylinders, this transition brought impressive performance enhancements: horsepower increased.
What is the horsepower and torque output of the 3.0l S55 engine in the 2014-2020 BMW M4? The 3.0l S55 twin-turbocharged inline-6 engine produces 425 horsepower at 5,500-7,300 rpm and 406 lb-ft of torque at 1,850-5,500 rpm. The BMW S55 has a higher horsepower & torque output from the factory; after all, it is a high-performance BMW M-division engine while the B58 is not. The B58 makes its peak horsepower of 382 hp between 5,000rpm and 6,500rpm while the peak 454 horsepower of the S55 extends from 5,000rpm all the way up to 7,300rpm.
The highest horsepower rating for the BMW S55 engine is typically found in the BMW M4 GTS, a special limited-production variant. The BMW M4 GTS equipped with the S55 engine produces 493 horsepower (500 PS) and 442 lb-ft (600 Nm) of torque.
