BMW B58 Engine Gen 2: Power, Performance, and Precision

For driving enthusiasts seeking a blend of precision engineering and dynamic performance, the BMW B58 engine gen 2 sets a new benchmark in inline-six power delivery, building on the legacy of its predecessor with refined tuning and smarter technology.

The BMW B58 engine gen 2 represents a significant evolution in BMW’s inline-six design philosophy, combining high-revving responsiveness with reduced emissions and improved fuel efficiency. Engineered with advanced valve timing, refined combustion, and enhanced thermal management, it delivers consistent power across the rev range while maintaining smooth, refined operation. This iteration reflects BMW’s commitment to delivering both performance and efficiency in its core powertrains.

The B58 gen 2 builds on proven architecture with upgraded pistons, optimized camshaft profiles, and improved fuel injection systems that unlock more horsepower and torque without sacrificing drivability. Integrated with BMW’s latest iDrive infotainment and driver-assistance systems, the engine delivers smarter, connected performance. With heightened focus on emissions compliance and longevity, it ensures reliability for both daily driving and spirited enthusiast use.

Drivers of vehicles equipped with the B58 engine gen 2 report noticeable improvements in acceleration and high-speed stability, with seamless shift transitions and responsive throttle response. The engine’s balanced character makes it ideal for sporty sedans and performance-oriented SUVs alike, delivering a driving experience that’s both thrilling and refined. Its reduced noise and vibration, paired with enhanced fuel economy, underscore BMW’s ability to merge power with practicality.

The BMW B58 engine gen 2 stands as a testament to precision engineering, delivering enhanced performance, efficiency, and refinement. Whether you're a daily commuter or a performance driver, this engine delivers an unforgettable driving experience. Explore the next generation of BMW power—where precision meets passion.

The BMW B58 is a turbocharged straight-six engine, which began production in 2015. [1] The B58 replaced the N55 and was launched in the F30 340i. [2] The B58 is part of BMW's modular engine family, each engine using a displacement of 500 cc (30.5 cu in) per cylinder, following the B38 and B48 engine.

[3] The B58 engine was named to Ward's World's 10 Best Engines five times, in 2016 (installed. Discover the full differences between BMW's B58 Gen 1 and Gen 2 engines. Learn about performance, design changes, tuning potential, and why Gen 2 is a game.

BMW's B58 turbocharged inline-six powers 41 models across BMW, Toyota, Morgan, and Ineos. A 2025 update adds more power, torque, and efficiency. BMW unveiled the second generation of the B58 engine in 2019, encompassing the B58B30O1 and B58B30M1 variants.

These engines boasted several critical advancements, including improved turbocharging and enhanced engine management systems. BMW introduced the B-series of modular engines in 2016. But there was a major update done in 2018 and then another for 2020.

The B46 4-cylinder is pretty simple with only minor updates. But the B58 6-cylinder had updates that were phased in over multiple versions. B58A being the original.

B58C having some major changes (but only used on a few. The evolution from B58 Gen 1 → TU → TU2 reflects BMW's commitment to refining its most important performance engine of the last decade. Unlike most modern turbo engines that prioritize efficiency at the expense of tuneability, the B58 continues to support high-output, enthusiast.

Complete BMW B58 and B58TU technical guide. Engine specifications, BMTS BM90 turbo specs, Gen 1 vs Gen 2 differences, fuel pump data, injector flow rates, and modification guides for M340i, Supra, 540i. The B58 3.0-liter single-turbo straight-six in the Supra and so many other BMW models is a legend in its own time.

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