BMW M340i B58 Years: Legacy, Performance, and Future of the Iconic Engine
The BMW M340i B58 years represents a golden era of engineering excellence, embodying BMW’s commitment to balance power and precision in every engine. Developed as a pinnacle of the E90 generation, the M340i features a potent 3.0-liter B58 inline-six, delivering 335 horsepower and 272 lb-ft of torque—proving that refined performance remains timeless. This model redefined the sport sedan with its responsive handling, balanced chassis tuning, and sophisticated digital interface, making it a benchmark in the executive performance segment. Over the years, the B58 engine has earned acclaim for its reliability, efficiency, and distinctive sound, symbolizing BMW’s dedication to propulsion innovation. Whether navigating city streets or carving mountain roads, the M340i B58 years delivers a driving experience that blends luxury with raw, engaging performance—an enduring legacy for enthusiasts and drivers alike.
The BMW M340i B58 years isn’t just a car—it’s a celebration of engineering mastery and driving passion. With its powerful B58 engine, refined dynamics, and enduring legacy, it remains a benchmark in the luxury performance segment. For those who value precision, power, and prestige, the M340i B58 years offers an unmatched journey. Discover the difference today.
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 B58 engine is featured in various BMW models, including the M340i and 340i from the 3 Series, certain variants of the 5 Series and 7 Series, X Series SUVs like the X3 M40i, X5, X6, and X7, as well as the Z4 Roadster and some 8 Series models. Versatility BMW crams the B58 engine into practically everything.
That isn't odd in and of itself because standardization of vehicle engines is nothing new, regardless of brand. The B58's range of capabilities, though, is astounding. It drives real performance vehicles like the Z4 M40i, X3 M40i, M240i, and M340i.
The BMW 540i, the X5 xDrive40i, and even the incredibly heavy X7 xDrive40i. BMW M340i and M340d Part of the latest G20/G21 generation 3 Series range, the M340i sedans and wagons produce 382 horsepower and 369 lb-ft of torque from their B58 engine, rocketing them from 0-60 mph in under 4.4 seconds. Crisp steering and balanced handling helps translate all that muscle into grins.
BMW M440i Essentially a coupe version of the 3 Series, the gorgeous new G22 BMW M440i also. 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. Understanding the BMW M340i Engine: Model Years and Variants The BMW M340i (G20 generation) was introduced in 2019 as the high-performance variant of the 3 Series, replacing the previous 340i model. Unlike the standard 330i, which uses the four-cylinder B48 engine, the M340i features the more powerful B58 inline.
In this article, I will tell you about the M340i engine in the BMW 3. Does 2021 BMW M340i have B58 engine? 8/9 The Award-Winning B58 Engine In the M340i, it develops a healthy 382 hp. That figure, combined with xDrive and the silky smooth 8-speed auto means that the M340i can roar its way to 60 mph in a blistering 4.1 seconds.
That's faster than an E92 M3. However, BMW changed the B58 with three iterations in just five years and the only shared parts are small items like sensors and hardware. Second, BMW has way too many abbreviations for their engine specs.
The best is the full 8-digit engine code. However, internal BMW docs will often reference a shorthand code for some reason. 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.