BMW 340i Engine Performance and its Renowned Powerplant
The BMW 340i stands as a benchmark in compact luxury performance, powered by an engine name synonymous with precision and power—delivering a dynamic driving experience that captivates enthusiasts.
BMW 340i: The Heart of Performance
At the core of the BMW 340i lies a finely tuned inline-six cylinder engine, delivering crisp responsiveness and smooth power delivery. Known for balancing efficiency with performance, this engine name—340i—epitomizes BMW’s commitment to engineering excellence, making every drive a refined yet exhilarating experience.
Engine Specifications and Variants
The BMW 340i typically features a turbocharged inline-six or a highly efficient mild hybrid setup, depending on model year and region. With outputs ranging from 248 to 300 horsepower, the engine balances everyday usability with spirited performance, supported by advanced fuel-saving technologies and responsive drivetrains.
Why the 340i Engine Name Matters
Choosing the BMW 340i means selecting an engine name steeped in prestige and track-tested reliability. It represents a blend of performance, refinement, and intelligent design—making it a top choice for drivers seeking a premium compact sedan that doesn’t compromise on power or efficiency.
The BMW 340i engine name is more than a label—it’s a promise of dynamic driving and intelligent engineering. Whether commuting or conquering winding roads, this powerplant delivers performance that fuels every journey. Discover the 340i today and experience BMW’s legacy in motion.
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. Comprehensive technical specifications and detailed documentation for the 3.0L inline-6 turbocharged engine (B58) used in the 2012-2018 BMW 340I. Includes engine performance data, torque curves, fuel system details, cooling system specifications, and maintenance guidelines.
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.
In 2015, the BMWB58 turbocharged straight-six engine went into production. The N55 was replaced by the B58, which debuted with the F30 340i. Following the B38 and B48 engines, the B58 is a member of BMW's new modular engine family, which includes engines with 500 cc (30.5 cu in) of displacement per cylinder.
Discover the impressive engine specs, configuration, and maintenance requirements of the BMW 340i for optimal performance and longevity. Hidden engine problems and reliability issues most buyers discover too late. What makes the BMW 340i's engine stand out? Its turbocharged inline-6 design, twin-scroll turbocharger, and smooth power delivery make it one of the most refined and performance-oriented engines in its class, delivering both excitement and reliability.
2016 BMW 3 Series 340i are arriving at US dealerships now. One of the, if not the biggest change of the 2016 LCI is the replacement of the venerable N55 engine. The N55 has been the heart of the 335i 3 Series from 2009 on.
Despite being long in the tooth the engine is much loved and relatively rock solid, the new B58 engine has big shoes to fill. BMW's M340i is a luxury car with some power behind it, but strangely enough, its engine isn't custom-built. It's repurposed from an older BWM model.
The BMW F30 3 Series Sedan LCI 340i has a Inline 6, Petrol engine with 2998 cm 3 / 182.9 cu-in capacity. How many horsepower (hp) does a 2015 BMW F30 3 Series Sedan LCI 340i have? The BMW F30 340i stands out in the luxury sedan segment with its powerful inline-6 engine, advanced technology, and premium features.
Understanding the engine specifications, oil requirements, and service intervals is essential for maintaining the vehicle's performance and longevity.