The b58 BMW 240i stands as a benchmark in the compact executive segment, merging dynamic performance with everyday practicality. Designed for those who demand style, efficiency, and precision, this model redefines what a modern luxury sedan can be.
Powered by a turbocharged 2.0-liter inline-four, the b58 BMW 240i delivers responsive acceleration and smooth power delivery. With up to 255 horsepower and low emissions, it balances sporty flair with fuel efficiency—ideal for city commutes and long drives alike. Advanced engine tuning ensures both performance and reliability in daily use.
Step inside the b58 BMW 240i and experience a refined cabin that feels both luxurious and functional. The model features a minimalist yet intuitive 12.3-inch digital instrument cluster, a 12.3-inch touchscreen, and a premium audio system. Aboard, passengers enjoy ample legroom, thoughtful storage, and a quiet environment—perfect for both business and leisure.
Safety is paramount in the b58 BMW 240i, equipped with Bosch’s advanced driver-assistance systems including adaptive cruise control, lane-keeping assist, and automatic emergency braking. These features enhance confidence behind the wheel, offering peace of mind without compromising driving enjoyment. The model also supports over-the-air updates, ensuring your car evolves with the latest tech.
The b58 BMW 240i delivers performance, comfort, and innovation in a compact package, making it a standout choice for discerning drivers. Whether navigating city streets or cruising highways, it delivers an engaging and refined driving experience. Ready to elevate your daily drive? Visit your nearest BMW dealer today to schedule a test drive and discover why the b58 remains a top contender in the luxury compact class.
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. 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. This B58-powered BMW M240i xDrive coupe can run the quarter-mile in just 7.9 seconds at 175 mph, making it the quickest BMW on the planet. One of the Best BMW Engines - B58 In the BMW M240i, it makes 382 horsepower and 369 lb-ft of torque, which helps it get from 0.
For what you are trying to do the 240i is great. The B58 can be easily tuned. The only thing better would be M2C with S55 but that's typically significantly more money.
World's First, Most Advanced and Widely Adopted cloud-based flash tuning platform for the BMW F and G series vehicles! Our latest development includes the addition of the bootmod3 CustomROM V2 features (Now available for GEN2 B58 vehicles and A9x Supra) that add on top of our CustomROM V1 advanced end-user and tuning features, such as: AntiLag. The BMW B58 engine powers many of the brand's high-performance sedans, coupes, SUVs and sports cars. Find out exactly which BMW models utilize this acclaimed 3.0L turbo inline.
Learn about the BMW B58. Frequently asked questions. B58 general info, maintenance, problems, tuning and more.
BMW B58 240i, 340i, 440i FAQ. The ARM B58 Intake isn't your standard lookalike B58 intake, this has been designed with upgraded 3.75" piping throughout, making it the largest B58 intake available. Combine the ARM B58 Intake with the ARM B58 Turbo Inlet to give your B58 a complete induction solution capable of supporting the most demanding B58 builds!
BMW changed the name of coupes to the 4 series when it introduced the F chassis in 2013. As you can see, if we compare every 335i and 340i model that is offered, there is a lot to unpack. The older 335i vehicles have both the N54 and N55 engine, while the more recent 340i variants come with the B58 or an upgraded B58TU.