What Engine Powers the BMW M240I Model? Performance and Specs

The BMW M240I, a pinnacle of German engineering, delivers exhilarating performance powered by a refined six-cylinder engine that balances power and refinement.

The BMW M240I is equipped with a naturally aspirated 3.0-liter inline-six engine, code-named B38n. This 3.0-liter four-cylinder unit produces 335 horsepower and 330 lb-ft of torque, delivering responsive acceleration and smooth high-RPM operation, hallmark traits of BMW’s M Performance division.

Pairing efficiency with performance, the B38n inline-six enables a 0-60 mph time under 5 seconds and a top speed of 155 mph. Its modern turbocharging heritage—though naturally aspirated—delivers a refined power delivery, enhanced by precision-tuned suspension and advanced torque management for both track and daily driving.

Selected for its blend of performance, reliability, and driving engagement, the B38n inline-six defines the M240I’s character. It delivers the precise balance of torque and responsiveness expected in M Performance models, making it a benchmark in executive sports sedans.

The BMW M240I’s B38n inline-six engine stands as a testament to BMW’s engineering excellence—delivering power, refinement, and dynamic handling. Experience the perfect fusion of luxury and performance. Ready to drive the M240I? Discover your next BMW today.

BMW is updating its B58 six-cylinder engine for the M240i, M340i, and M440i. Power rises to 386 hp with more torque, while fuel consumption drops. Here's what's new for November 2025.

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. The 2025 BMW M240i xDrive is a two-door coupe that seats four. It features a turbocharged inline-six engine.

Pricing starts at $53,133 for the base 230i xDrive. More powerful than the base 230i, yet less extreme than the M2, the BMW M240i xDrive strikes a desirable balance. Here's a quick rundown of what we liked.

We tackled the route in the stylish and sporty BMW M240i. We're sure you have plenty of questions about the vehicle we piloted. Detailed specs and features for the 2025 BMW 2 Series M240i including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.

BMW M240i Coupe. The exciting design and agile driving dynamics of the M240i Coupe need to be seen and experienced. Its powerful engine, 8.

Engine: The B58 3.0L turbocharged inline-6 cylinder engine powers the 2022 BMW M240i. It generates 382 horsepower and 369 lb-ft of torque in this M240i configuration (285 kW & 500 Nm). Its turbocharged inline six-cylinder engine puts down an impressive 382 horsepower, and BMW's xDrive all-wheel-drive system is available.

For 2025, the M240i gets a few tweaks, such as version 8.5. Explore the BMW M240i engine specs, configuration, oil requirements, and service intervals for optimal performance and maintenance. While the N55 is a great engine, the B58, its direct successor, is arguably the best six-cylinder engine in production today.

In the 2026 M240i, it pumps out 382 hp and 369 lb.